Answer:
D.-
Explanation:
A control group is needed to carry out the experiment, that control group is the one that is not injected with anything. Ethanol and pesticide need to be injected into separated groups to document whether it is one or the other that is harmful
B, C, D
A is r-selected species
I can’t see the picture...
Answer:
The fact people don't want to change may be the greastest impact. Humans want answeres quick and easy we are willing to destory the earth for our ways as we have been for 1000ths of years. We never change we evolve but don't change our ways.
Explanation:
Hope This Helps
Have A Great Day
~Zero~