Because we have a limited amount of oil and we will end up running out so the demand will have to go down. We cannot sustain the amount of oil we are using.
Answer:
all the above
Explanation:
top predators will do all 3 things
The solutes move down<span> their concentration gradient and do not require the expenditure of cellular energy.</span>
I believe it'd be A because the virus infects cells whereas the Giardia Lambia only releases toxins.