Once bacteria have fixed nitrogen, it can be taken up by plants and animals, where it is used in the production of Select one:
a. nitrogen oxides
b. carbohydrates
c. energy
d. proteins

answer; i believe the correct answer is ( proteins );

as many times as you want

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