Answer:
C
Explanation:
the first 2 choices aren't even systems at all, and D is specifically talking about the water and not mentioning animals/plants at all.
hope this helps!
Answer:
for example down syndrome or trisomy 21 is a common genetic disorder that occurs when a person has 3 copies of chromosome 21 there are many other promotional abnormality is including tunnel syndrome klinefelter syndrome
The crops couldnt handle the pesticides that killed the crops
The correct answer is mitochondria. Mitochondria is an organelle in the cell that corresponds to the function of the human lungs.It helps the lungs in the biochemical process of respiration and with the energy production (cellular respiration.)
