Answer:
C
Explanation:
Many kinds of air pollution can't be seen, which means A is incorrect. Any kind of pollution can be harmful to you, which means B is incorrect too. Air pollution is very harmful but in most cases can't be directly seen, so C is correct. Pollution can be found everywhere, so D is incorrect also.
It allows us to determine not only how and why organisms have become the way they are, but also what processes are currently acting to modify or change them !
Answer:
A cat
Explanation:
Because if I were a pet cat at least someone would take care of me and I would not have to do any real things like responsibilities.
You would try to study the nucleus and the organelles of the organism to classify it
