Answer:
Soil
Explanation:
Plants get their nitrogen from the soil. Although nitrogen is present in the air the structure of the molecule is strong and so would require large amounts of energy from the plant to break down.
The breaking down of nitrogen is a process called nitrogen fixation. Bacteria and archaea in the soil convert nitrogen into ammonia; breaking down the tough triple bond of nitrogen to be more readily absorbed by the plant.
The correct option is B.
Rockfeller asked Diego to make an artistic work for the lobby of the RCA building. The final work which Diego presented contained the portrait of Vladimir Lehin although this was not part of the contract arrangement. Vladimir Lenin was an hated politician, who is synonymous with communism and Rockefeller did not share the political ideas of this man at all, because of this Rockefeller asked Diego to remove the artwork; the artist refused and the artwork was eventually destroyed.<span />
Answer:
The power of the objective lens multiplied by the power of the ocular lens
Explanation:
