The answer is A. An organism living at the bottom of the ocean is used to a high pressure so they cannot study them as the lower pressure kills the organisms as they reach the surface.
6 I think but I might be wrong
Answer:
to prevent the spreading of germs
Explanation:
Invasion and multiplication of pathogenic microorganisms<span> in the body is called an infection. When we are infected by </span>pathogens<span> we become sick, which means that our bodies stop functioning properly. Infectious agents, such as </span>bacteria<span>, a virus, fungi or protozoa cause communicable diseases.</span>
<span>C is the correct answer. Electrons are not in a fixed position — they float around the outside of the nucleus in a cloud. In contrast, the protons and neutrons are found inside the nucleus. Electrons are also much smaller than both protons and neutrons.</span>