This is true! Minerals were mined both on the surface as well as in mines and caverns underground.
The answer is B since you have to be able to prove/elaborate on the topic sentence
Answer:
Bacteria and fungi decay convert the dead remains of plants or animals or their waste products to ammonia (NH3). Nitrification: The ammonia is converted to nitrites and then to nitrates by nitrifying bacteria. Some of the nitrate formed in the soil is absorbed and assimilated by the plants.
Explanation:
Answer:
B
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Look it up on the internet
