Answer: Hello, there! your Answer is Below
The answer is letter C
Explanation:
A. 4Fe(s) + 3O2(g) → 2Fe2O3(s), 2H2(g) + O2(g) → 2H2O() and AgNO3(aq) + KCl(aq) → KNO3(aq) + AgCl(s) are not neutralization reaction.
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Answer:
number of individuals
Explanation:
calculated by dividing the number of people by area
I believe the answer would be a.
B- Carbon nitrogen and oxygen. All organisms are made up of carbon, oxygen is essential to breath, and nitrogen makes up most of earth's atmosphere.