I believe it is B. Thermosphere
Correct me if wrong.
They are examples of precipitation
The best answer is A. The purpose of the cell wall is to hold the cell in a specific shape, usually rectangular or square. For example, a plant cell's wall keeps it rigid so that the plant can stand up.
If the cell does not have a wall, it can easily change shape to accommodate for things coming in and out of the cell.
Hope this helps!
Answer: metagenomics
Explanation:
Metagenomics is the study of the collective genome of the microorganisms obtain from the environment. The study can provide details of the microbial diversity and ecology for a particular environment. It allows the identification of the specific microbial species from the mixture of genomic samples. The metagenomics is useful in solving the problems related to other fields such as medicine, agriculture, engineering and ecology.