Natural Sciences Essay Examples and Topics. Page 4

5 ml solution of Zinc, Copper and lead were added each to one of the three test tubes containing the pieces of zinc.

During and after the duration of exposure, the observational studies, biochemical analyses, hematological tests, and histological studies that were conducted on the rats show that the biological responses in the rats did not differ significantly [...]

The male possesses a pair of the posterior penis, while the female has a conspicuous brood pouch located behind the thoracopods.

Therefore, with the help of a refining process, Alumina is extracted from bauxite which in turn is converted into Aluminium metal with the help of smelting process. The process of refining the metallic ore in [...]

The first pattern is a central business district, in this pattern the shape has been affected by the natural topography of the city of Makkah.

The na ve T cells in the secondary lymphoid; when they encounter an antigen presented on MHC of dendritic cells, they differentiate and proliferate into effector T cells, CD8 or CD4 T cells depending on [...]

The coronary circulation involves the movement of blood through the tissues of the heart while the systemic circulation involves taking blood to all the rest of the body tissues and back to the heart".

Cloning is now considered to be an efficient means to grow plants in being the result of vegetative propagation while seeds are the result of the natural reproductive phenomenon of plants.

The results showed that the rate of release of oxygen determined the rate of rising of the leaf segment subject to utilization of carbon dioxide proving that the evolution of oxygen could be used to [...]

Also, due to the growing interest of foreigners and the Japanese themselves in the culture of the Ainu, many of them are engaged in cultural activities to attract tourism, which is also a source of [...]

The objective of this paper is to provide a summary of the information exchanged during the weekly interactive sessions with the guest speakers.

It is essential to learn the geography of the United States because it stands as one of the biggest countries in the world.

Potassium Polyacrylate is a substance added to the soil to absorb and store water for the plants. Potassium Polyacrylate can also absorb and release fertilizers into the soil, the same way it does to water.

The investigator is required to define the characteristics of the society under study. Abalos, argues that "critical ethnographic studies are a type of ethnographic research in which the author is interested in advocating for the [...]

The price of the steel, which includes iron in its composition, differs from the steel grade. The main stage is heating of the iron ore in the blast furnace, removing the oxygen from the oxide.

Therefore, the UAE Security Strategy 2036 promotes the idea of the creation of desalination plants as one of the dominant technologies in the UAE.

Habitat is the living environment; the population is all the living organisms within a habitat, and community is the organisms that interact with each other. The descriptions of the three ecosystems below will focus on [...]

The pedigree problem is generally featured with the necessity to provide the correct connections among the family members in a genetic history chart.

The majority of general factors that avoid the use of dendrochronological dating include: An insufficient quantity of rings, the existence of a group inappropriate for dating through dendrochronology, the lack of convincing indication of chronologies [...]

It is very different from ice, the physical aspect of a glacier is very interesting, and the height of a glacier is another extraordinary factor that makes it very interesting.

The main benefit of human-animal communication is that it will help scientists to understand the world of animals and explore it.

Vitamin A found in fruits and vegetable is referred to as Provitamin A carotenoids, these vitamins A are converted into retinol in the body where one molecule of beta carotene produces two molecule of Vitamin [...]

It is the reaction of free amino groups like amines, amino acids, peptides and proteins with reducing sugars in the presence of heat and during storage.

It occurs as a result of distorting in the acidic environment of the stomach when the wall lining of the stomach or duodenum erodes due to an increase in gastric acid; this triggers the development [...]

The amount of oxygen present in the atmosphere and the nature of the material it comes in contact with determine the process of oxidation.

After the bringing down of the iron curtain and the fast progress under globalization, this distinction has been reduced to that of degrees, with China all set to assume the role of leading economic power [...]

Although the use of proton NMR has been applied for the determination of trace components such as the residual hydrogen in D2 O, the mixtures of dinitrotoluene, and the mixtures of drugs, its great merits [...]

The following are features of a global city; the first feature is that of the city being international that is well known all over the world.

Today, Sichuan is one of the main industrial bases in China. There are heavy and light industries, all contributing to the industrial output of Sichuan and China in general.

Some of the chemical processes used in the bottom-up approach include sol-gel process, the reaction of molecules in a flask, reverse microemulsion and flame synthesis, which have been used to make silica nanoparticles, nanozeolite, nanocatalysts [...]

Another solution to the problem of delivering food to cities, as viewed through the lens of agritecture, is the creation of vertical farms.

Smart farming allows for a wide range of options, from robotization and satellite imagery to the Internet of Things and the blockchain technology that increases the efficiency of crop cultivation by optimizing the use of [...]

That is why the proper functioning of the human digestive system serves as the basis for full-fledged life support during the main processes in the digestive tract. In the oral cavity, food enters the throat, [...]

A professed abolishment of the caste system, heavy Buddhist influences, and a powerful president, who holds the roles of both head of government and commander-in-chief of the country's armed forces, are all Sri Lankan realities.

Furthermore, upon the analysis of the differences between eukaryotic and prokaryotic cells, one can develop a proper understanding of the environment that is required for the correct functioning of eukaryotic and prokaryotic cells.

The goal of this paper is to discuss the chemical properties of water that are most important for life on Earth.

The solubility product constant is calculated by measuring the concentration of anions and cations in a solution and determining their product.

There is a variety of significant issues related to the growth and production of cocoa. A risk for the environment and trees is also present due to the practice of cocoa farming.

The objective of this report is to evaluate the properties, limitations, and prospects of future applications of fiber-reinforced concretes and polymer reinforced concretes.

Molar mass: 118. Molar mass: 18.

In other words, the volcano Hekla was erupting from the surface of the earth while the natural light was shining from the sky.

Studies indicate that the domestication of plants by humans ensures the productiveness of plant and animal species for providing food to them.

Moreover, I believe that in this way I can help people by making discoveries that can be used in medicine, agriculture, food production. This experience can help me in the future especially when I will [...]

Geography can be defined as the science that studies the distribution of human and physical features over the Earth and explains the relations between them.

According to Gibson and Ashby [8], the material in question can be seen in nature, for instance, wood or sponges are examples of cellular solids.

The author divides the paper into several logical chapters where the definitions of such issues as deep mapping and neogeography are given, the essence of neogeographic deep maps is explained, and the example of how [...]

First, he told his people to be more exact and throw seeds to the whole, but his commands were ignored. In order to prove the effectiveness of his methods, he did not use manure for [...]

This paper also outlines the need for a sound governance structure that premises on the principles of justice and mercy and a respect for religious diversity, as the tenets for a reliable social framework to [...]

Soil is the sediment, surface layer of land produced as a result of transformations in rock materials that occurred under the influence of both living and dead organisms including plants, animals, and bacteria; solar heat, [...]

Of great interest in the paper will be elephants' seismic communication. In essence, elephants have the capability of generating both strong and weak sounds.

This report aims at revealing the essentials of the Umm al-Nar site along with its significance in the framework of cultural heritage and tourism to understand the role of this geoarchaeological complex in nowadays national [...]

The back of the artifact has a hook for hanging on the wall. It joins the semicircular blade to the image of the god at the top.

Although the given theory is often misinterpreted as the idea that only the species that are the most physically strong can survive through the changes in the environment, it is clear that Darwin had the [...]

The article is titled "Will Organic Agriculture Feed the World," and it provides its readers with an overview of the statistics that apply to the sustainability of organic farming.

The major theme of the article is the justification of Darwin's evolution theory. The theory is based on the assumption that species are static, but the changes in species are very rapid, and, thus, the [...]

The model of blending inheritance implies that the offspring gets the traits that equal to the average of the same traits in their parents.

The conclusion is therefore valid and is drawn from a scientific point of view, especially the role of the shell to the spider's survival in its habitat.

In the instances that this reading describes, there is a difference between the way that people describe their own situation, and the way it appears to an outside observer.

The characteristic of the principles of organization of the New York Botanical Garden should be started from the statement of its mission which is expressed as "being an advocate for the plant kingdom".

The drastic decline in the population of people in the Island relates closely to the over-exploitation and overutilization of the natural resources of the island.

The fact that the total population of the players in the Major League Baseball is relatively large made the researcher choose the sampling method to determine the salary that a player should earn.

Forest Regulation of 1995 and the Forest Act of 1993 do provide new legislations that allow the local communities to participate in the management of forests in Nepal.

Despite being various categories of the lube oil as mentioned earlier in the project, mineral lube oil from petroleum is the commonly preferred lubricating oil to the synthetic lube oil.Fig.showing lubricating oil The history of [...]

The second technique, which is grid walking, is where the survey area is divided into squares, and the field walkers use the fixed amount of time to work on each square collecting all the materials [...]

The political history The country has made a big stride in the political lines. The country has a unique and exclusive mix of culture compared to other African countries.

The cane toad multiplied rapidly in a short span of time compared to other species in the same habitat. The major reason for introduction of the cane toad was to control the French Cane Beetle [...]

The paper will look into the history of the discoveries and their effects in the development of the human well beings as well as the enhancement of the human understanding of the surrounding nature in [...]

Evidently, the species curve shows that the species of plants in the Geelong botanic garden increases with the increase in the area of the quadrat.

According to Wyland, "the ability of GIS to analyze and visualize agricultural environments and work flows has proved to be very beneficial to those involved in the farming industry".

The architects of this theory believe that white people are mutants and that whiter skin is a form of albinism with the likes of Wade Nobles opining that "Blacks are fully human because of their [...]

Given the fact that prey and predator pairings threatens the survival of the prey there are other external factors that contribute to the elimination of the prey species.

It is believed that the different geological evolutions of the earth and the atmosphere have come up with very new species of animals following a transformation of the then existing animals, as well as extinction [...]

The Greco-Roman world can be defined as the geographical area around the Mediterranean Sea and the Black Sea. The differences in social ranks affected the spread of knowledge in sexuality among men and women of [...]

Finally, the corporations that are involved in the process of food production are responsible for the creation of new markets for consumption and the global trade of agricultural products.

The characteristic of the post-modern cities have put emphasis on the commercialization and business orientation and in this case resulting in de-materializing the economy and the lives of the people while emphasizing on the economic [...]

"Sustainability is refers to the indefinite use of available natural resources without ever causing depletion of the energy or material sources on which man depends; while, development is the continued improvement of living standards as [...]

One of the observable characteristics of these concepts is the existence of human beings in the interpretations of landscapes and the need to understand their role in the creation of the status of features forming [...]

For the models, the participants perceived that the blonde model was the least successful in the worker setting while the brown and red hair as the most successful in the same setting.

Good to eat is a thought provoking and intellectual journey that the author takes, in terms of the different kinds of food habits adopted by various groups of people and the reasons behind such habits.

Trinkel and Kastberger argue that, the foremost threat that is facing lions in the jungle is the intrusion of more carnivores because they can overwhelm lions and force them to migrate to other destinations.

As a result, some of the wolves have decided to be loners despite of their territorial behavior for fear of attacks.

The excavation of the site was done and documented on behalf of the British museum and most of the material is derived from the report by Hogarth commissioned by the museum.

What happens is that the organisms that are mono-celled grow mostly because; when they are formed during the cell division they are usually small and they are supposed to grow and develop to full-grown cells.

The affected species, the causes of the change, as well as the possible criterion of arresting the situation, forms the subject of their discussion.

The vaquita looks like a star curved stocky porpoise and it is the smallest of all the porpoises in the world.

Its neighbors include France Switzerland and Austria to the north, Slovenia along the Alps, and the Italian Peninsula, the islands Sicily, and Sardinia to the south in the Mediterranean ocean.

For a long period of time, it was impossible to imagine that sugar was the main cause of people's exploitation and slavery.

This assertion is true and the fact that me and some of my siblings are in the United States proves that my father would like us to lead an informed life free of negative influence.

They are closely related to Samburu; a subtribe in Kenya, in way of living, culture and language and they are thought to have divided hundreds of years ago.

In conclusion, meth is one of the most addictive drugs, with serious physiological and psychological complications hence, the need for individuals to watch their consumption habits.

It is situated on the east coast of the Unites Arab Emirates on the Gulf of Oman, but it is actually a remote commune, which is the part of the Emirate of Sharjah.

The Pet Rocks project is designed to conduct a detailed review and study of the 15 selected types of minerals presented in this work.

Hypothesis: If iodine is added to liquid food items, such as peas, corn, and carrots, then the iodine will turn a dark blue-black color, indicating the presence of starch.

The vacuum filtration is used to collect the acid and then wash the benzoic acid crystals using water to eliminate salts.

This report's objective is to demonstrate the significance of sustainability and corporate social responsibility by first identifying the organization's core practices that are not sustainable and then implementing practices that are healthy and sustainable.

The chemical compositions of the reacting elements or compounds dictate the nature of the reaction. The chemical reaction entails the combustion of methane gas in the presence of oxygen gas, which are the reactants.

An integral part of bacterial cultures is the generation time, which determines the ability to double during each time interval: determining the minimum value of this time for an inoculated E.coli culture was the main [...]

Given the example of a creature with fewer chromosomes, such as a cat, one might think that the number of chromosomes affects the complexity of an organism.

For example, the novelty of the author's developments may lie in the fact that she introduces the definition of Quilombo identity into the science of anthropology.

The study of this work contributed to the development of the science of anthropology and theoretical approaches related to it, as well as provide an understanding of the formation of the culture and identity of [...]

Hence, it is crucial to be aware of the inheritance pattern of albinism and the higher incidence of the disorder in certain ethnic groups.

In the optical microscope device, a beam of light hits a specimen located on a slide and then travels through a system of mirrors into the objective. The use of optical circuits inside the eyepiece [...]

A biological and a social view of race are very different, which creates a misconception of race in society and leads to discrimination.

The analysis of farming in the country shows that the added revenue to crop production because of the pollinators' activity is about $18 billion. Statistics evidence the topicality of the problem and the necessity to [...]

Despite the power of the Spanish Empire on the territories of its colonies, the scope and strength of its influence started to decline in the 17th century.

In this paper, the literature review is the chosen research method to systematize available studies and learn what the representatives of the agrifood sector know and think about consumer behaviors.

The importance of thermoregulation in the body includes: In case there are changes in the external temperatures, an organism must maintain a constant temperature of about 37 degrees Celsius for a human body to ensure [...]

First of all, to estimate the value of the olive tree more precisely, it is necessary to investigate the history of the olive.

Ardipithecus ramidus, Australopithecines, Homo habilis, Homo erectus, and Homo Neanderthal are stages of human evolution with distinct physical appearances and behavior. The molars and premolars of Homo habilis were comparatively smaller than Ardipithecus and Australopithecus.

According to Groc, this is the unique species of all bears not only because of its ice-cream-colored fur but also because of its location and rareness.

In the human body, hyaluronic acid performs the crucial function of retaining moisture in the tissues and acts as a lubricant for the joints. Even though hyaluronic acid is a component of the body, the [...]

Environmental influence presents the other side of influence affecting people's development in their middle adulthood. Berk explains this phenomenon in the example of menopause, which is a characteristic process in middle adulthood, and women's response [...]

The Nervous System is the "command and control center of the body". These electrical impulses go between the brain, the skin, the organs, the glands, and the muscles.

Interestingly, even these domestic dogs that are seen as belonging to the same species cannot interbreed as in the case of interbreeding Chihuahua and a Great Dane. Generally, animals belonging to the same species are [...]

The national culture is considered to be formed under the influence of specific natural and climatic conditions, in the context of a unique cultural and historical development, and under the influence of various religions and [...]

The above principle is used in this laboratory work, the aim of which is to evaluate the effect of the pH of the medium on the growth of microorganisms.

The story of the Tomb of Qin Shi Huang begins in 1974 when farmers from Xi'an dug into one of the fascinating excavations of the 20th century.

The excellent functionality of the different parts of the body, including the hand, thigh, neck, girdle, pectoral, and legs, are critical for the normal functioning of a human being.

One of the studies dedicated to the issue of the gene-environment interaction of fragile x syndrome in twins was performed by Willemsen et al.

Despite many challenges imposed on the balancing of equations of pertaining reactions, in school my interest was drawn into the study of organic chemistry, which entailed a study of organic carbon compounds.