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Biology, 20.03.2020 23:56 HaileyChristiansen20

Only two markers of human activity are evident in the stratosphere.

They are indicated by .

Select one:
a. the condition of the ozone layer and the presence of spy planes
b. the flight of rockets and transmission of radio signals
c. the weather that we experience and commercial airplane flight

d. the presence of satellites and the International Space Station

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Answers: 2

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Only two markers of human activity are evident in the stratosphere.

They are indicated b...
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