Answer:
a
Explanation:
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Answer: This is because the same type of crop planted repeatedly in the same area keeps draining the land of the same nutrients needed for that plant's growth.
Explanation:
The answer is All matter is made up of particles called atoms and molecules (as opposed to being continuous or just including particles)
Answer:
a) food availability
Density-dependent factors have varying impacts according to population size. Different species populations in the same ecosystem will be affected differently. Factors include food availability, predator density and disease risk. Density-independent factors are not influenced by a species population size.