Answer: water
Explanation: Water is everywhere and required to survive, so water would be the most abundant compound.
It's a region of DNA that binds DNA Polymerase to begin replication.
The answer to your question is A.
This can affect the organisms living there because now, their environment is probably different than what they have been living in for a long time, so now they have to adapt to this new environment, and if they don't, the organisms will probably end up dying.
The electrons surrounding an atom are located in regions around the nucleus called “energy levels”. An energy level represents the 3-dimensional space surrounding the nucleus where electrons are most likely to be. The first energy level is closest to the nucleus.
