Paleontologist
A paleontologist is a scientist who studies the fossilized remains of all kinds of organisms such as plants, animals, fungi, bacteria and other single-celled living things that have been replaced by rock material or impressions of organisms preserved in rock., and is interested in knowing the history of organic life on earth. the most famous and popular paleontologist is Jack HornerJohn R. "Jack" Horner he was born June 15, 1946 he's an American paleontologist most famous for discovering and naming Maiasaura, providing the first clear evidence that some dinosaurs cared for their young.
Environmental Scientist
A Environmental Scientist uses the principles of engineering, soil science, biology, and chemistry to develop solutions to environmental problems. They are involved in efforts to improve recycling, waste disposal, public health, and water and air pollution control.Environmental specialists are scientists who observe the impact of a population on the environment, identify problem areas and recommend solutions. Many specialists work for the government to ensure that specific regulations regarding air, water and soil are met.
Geochemist
A Geochemists study the composition, structure, processes, and other physical aspects of the Earth. They examine the distribution of chemical elements in rocks and minerals, as well as the movement of these elements into soil and water systems.
Geochemistry are important because the chemistry of the earth, is important because it defines bio-diversity and the well-being of organisms, including humans. Geochemistry is about understanding the distribution of chemical compounds in the earth and their changing concentrations as a consequence of their fate in the geochemical cycles
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