In 20 days, the earth picks up
5.2 x 10 pounds of dust from the
atmosphere. How much dust will
it pick up in 66 days? Why do we
need to control air pollution?
Answers
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Step-by-step explanation:
dust tale in 20 days = 5.2x10 or 52
dust taken in 1 day = 52÷20
= 2.6
dust pickup in 66 days= 66× 2.6
= 831.6
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