There are called Amino Acids.
Answer:
B. Multipotent cells
Explanation:
Multipotent stem cells are the one that develops from pluripotent stem cells during embryonic development. The multipotent stem cells are the stem cells which have specific functions. These cells develop into specific cell types to replace the older cells.
For example, keratinocytes are the multipotent cells of the skin that produce new skin cells. Spermatogonia are the multipotent cells present in testes so that they can form sperms.
The answer to this is Carbon Dioxide.
The hole is a separate phenomenon because it correlates something other than global warming. it doesn’t focus on global warming but more on specific areas.