Answer:
Agriculture allowed people to stay in one place, and increased food production caused the population density to expand far beyond levels that could be sustained by hunting and gathering alone. This growth in population density provided a critical mass of people to sustain and spread contagious infectious diseases.
Answer: They do not happen every month because the Earth's orbit around the sun is not in the same plane as the Moon's orbit around the Earth. ... Only when the Moon is crossing the plane of the Earth's orbit (the paper) just as it is lining up with the Earth and Sun will an eclipse occur.
Explanation:
Go to Caribbean islands or go to the US. When the get a paycheck they send the money home. If you lived in the Caribbean you might only see your father 4 months out of the year.<span>
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Answer:
A) the level of cyanide in the bamboo population will increase
Explanation:
- As over the period, the lemur species will develop a resistance for the disease or the toxic chemical and thus there will be an increase of the population of the lemures that had cyanide in there blood or body. As the species have developed a resistance to this chemical.