Which of the following is necessary for the release of energy present in food? A. Nitrogen B. Hydro C. Oxygen D. Carbon dioxide
d​

explanation:

they can be good for the ecosystem

a

explanation:

for 8 am not sure maybe yes?

for 9 if it is asking if the male is more or less it would be less

hope i even just a little : )

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this