Godina144 Godina144

07-08-2015
Biology

contestada

According to scientific data on climate change, what levels have risen by 30% over the past 200 years?
A.
ozone
B.
argon
C.
carbon dioxide
D.
krypton

Respuesta :

jasonjester jasonjester

07-08-2015

its carbon dioxide that has risen

Answer Link

fastlillian fastlillian

15-06-2018

Carbon dioxide i am think

Answer Link

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