The correct answer is letter C.
Explanation: A simple and inexpensive way to improve soil fertility is by installing green manure or mulching, which adds organic materials and nitrogen to the soil, increases biological activity and recovers leached (washed) nutrients to the deepest layers.
Cultural diffusion is when groups are divided over time due to differences of opinions over time. One example for today would be the presidential election which divides many cultural groups because of the issues which each individual in the group supports.
The answer to your question is the country, Grenada. It is the Caribbean island that the United States invade in 1983 to stave off communism. President Ronald Reagan ordered the United States force to invite Grenada. Though the Congress was informed about it, there was no consultation was made.
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Answer:b) for 21 hours a day
Explanation:
