Answer:
pollution and overpopulation
Answer:
ilankovitch cycles describe the collective effects of changes in the Earth's movements on its climate over thousands of years. The term is named for Serbian geophysicist and astronomer Milutin Milanković. In the 1920s, he hypothesized that variations in eccentricity, axial tilt, and precession of the Earth's orbit resulted in cyclical variation in the solar radiation reaching the Earth, and that this orbital forcing strongly influenced climatic patterns on Earth.
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Explanation:
A. I may be wrong but back in history there was a lot of slavery going on through routes like Asia
Benefits of the System,There are a number of benefits of using the System: (1) it reduces the cost and administrative workload associated with the issuance and custody of beneficial certificates; (2) it executes administrative procedures promptly─for example, it used to take a number of days to have the beneficial certificates issued after the purchase, but under this System, the rights are recorded in the transfer account book on the day of the purchase; and (3) it eliminates the risk of loss, theft, forgery, etc. of beneficial certificates.
Precious metals and raw materials