Question

4. The most likely cause of the overall

change in the level of carbon dioxide from
1960 to 1990 is an increase in the-
360

number of violent storms
number of volcanic eruptions
use of nuclear power
use of fossil fuels

Answer 1

D

Step-by-step explanation:

The increase in combustion of fossil fuels is typically the most likely cause of an increase of Co2 in this instance.

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