Answer - The living species comprise more number of hydrogen atoms in comparison to any other atoms, still 65 percent of the usual organism's mass is oxygen. The prime reason for this is that an atom of oxygen comprises sixteen times more mass in comparison to a hydrogen atom. hopes this helps :)
Answer:
A. Hydrologist
Explanation: A hydrologist is the environmental scientist who is likely to study methods of water conservation and decontamination. He is the person who carries out research on circulating, distributing and studying physical properties of the underground surface of the earth, and its surface waters.
A white blood cell engulfing a bacterium is an example of blood functioning in protection.
<h3>What is a white blood cell?</h3>
White blood cells or better called leukocytes are blood cells produced in the bone marrow that belong to the immune system which are responsible for the <u>protection </u><u>and</u> <u>combat of infections and diseases</u>.
There are different types of white blood cells, among these are: <em>neutrophils, eosinophils, basophils, monocytes and lymphocytes</em>.
Usually the blood count of these leukocytes is used to detect situations such as infections, allergies, inflammation or leukemia.
Therefore, we can confirm that a white blood cell engulfing a bacterium is an example of blood functioning in protection.
To learn more about white blood cells visit: brainly.com/question/17890844?referrer=searchResults
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