mooreaRYuFBrooke mooreaRYuFBrooke

01-04-2016
Geography

contestada

In studies scientists have found that the level of carbon dioxide has increased. What is an explanation for this?
A. volcanoes erupting
B. humans use of fossil fuels
C. climate change
D. photosynthesis

Respuesta :

zeishanelo zeishanelo

01-04-2016

B. HUMANS USE OF FOSSIL FUELS

Answer Link

nrlindly nrlindly

06-02-2019

B. humans use of fossil fuels

Answer Link

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