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7nadin3 [17]
3 years ago
12

What have scientists inferred about the outer portion of the earth's core by monitoring the time of arrival of P- and S-waves at

monitoring stations around the world? A. It is a dense solid. B. It is liquid-like. C. It is organic material. D. It is a pressurized gas.
Geography
1 answer:
Elza [17]3 years ago
4 0
D. It is pressurized gas
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In the 1980s the northeast region of Brazil received almost no precipitation for how many years?
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3 years

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In 1981 however, the year was quite dry, with rainfalls in drop of almost 20%, that began one of the most important drought in the history of Brazil.

In 1982, rainfalls were down by 30% and it got even worse.

In 1983, the rainfalls were down by about 35%, essentially destroying all the agriculture system that had been severely damaged by the two previous years.

In 1984, rain came back a bit higher than its traditional levels, and in 1985, the area was flooded by rain surpassing the average by 60%!

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