An Insulator.
Insulators prevent flow of electric current. Example is wood, clay.
Just as a dozen is 12 of something, a mole is about 6.02 * 10^23 of something .
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
