Answer - A.)Science
Reasoning - Anything that Study Marine Animals and Mammals for logical research is Science in Generalization.
Carbon makes four electrons available to form covalent chemical bonds, allowing carbon atoms to form multiple stable bonds with other small atoms, including hydrogen, oxygen, and nitrogen. This allows carbon atoms to form a tremendous variety of very large and complex molecules.
Answer:
DNA, or deoxyribonucleic acid, is a replicating material that is part of our bodies that is the birthplace of our chromosomes, and carries our gentic information.
Explanation:
c.
heating and vapor extraction
At first, it was thought that the Earth's atmosphere consisted of hydrogen compounds—methane, ammonia and water vapour—and that life began under such reducing conditions, which are conducive to the formation of organic molecules