Answer:
D. can be your answer
Explanation:
because she is testing and finding differnt results which can help her find the algae levels in a local stream.
Answer:
it´s <u><em>B</em></u> the answer is B
Explanation:
thats just the answer i think not too sure really but feel free to correct me is you like my dude.
No, because “free” nitrogen is not combined with other kinds of atoms.
Most organisms can use nitrogen only once it has been "fixed" or combined with other elements to form nitrogen-containing compounds.
Answer:
a living thing
same species in a living area
all species living in an area
all living and nonliving things in an area
Explanation:
A living thing is one organism. The same species in a living area only includes one species in that area. All species living in an area includes all organisms in an area. All living and nonliving things in an area include all biotic and abiotic factors.
