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Vikentia [17]
3 years ago
15

The transfer of heat is responsible for many of the events that occur on Earth. Which of the following events is most directly c

aused by radiation from the Sun?
the circulation of air
the warming of Earth's surface
the movement of ocean currents
the movement within Earth's mantle

Mathematics
1 answer:
Verizon [17]3 years ago
7 0
The answer is the second one
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Step-by-step explanation:

Recall that

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soldier1979 [14.2K]
A= 3
b= 4

=3.14(a^2 + ab)
substitute the given a & b values in expression

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multiply inside parentheses

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add inside parentheses

=3.14(21)
multiply

=65.94


ANSWER: 65.94

Hope this helps! :)
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