Answer:
A
Explanation:
As it is caused by human intervention and doesn't occur naturally.
<span>biological control would be the answer
</span>
Disformities 1 q q q q q w w w w w w w w w w. ww w. w w ww
The effects of exercise on the circulatory system. This provides the muscles with the necessary oxygen and nutrients to provide the muscles with energy. During exercise strokevolume increases because: more blood is sent back to the heart due to the muscles squeezing blood in the veins. and I'll try to answer the other one just wait