The best and most correct answer among the choices provided by your question is the first choice or letter A.
A ph of 7 contains only water.
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Answer:They are movement, nutrition, respiration, sensitivity, reproduction, excretion,and growth.
Explanation:
what did you eat for breakfast?
I can't help you otherwise
Answer:
The correct answer is reduction.
Explanation:
Nitrogen gas reacts with hydrogen gas and get reduced to form ammonia. In this reaction.This is important reaction of atmospheric nitrogen fixation.The reaction is carried out by many nitrogen fixing bacteria such as Azotobacter,Clostridium etc.
N2+3H2+6e- = 2NH3