Which of the following could contribute to changing earth’s climate?
a) driving and using electricity require the burning of fossil fuels and therefore cause an increase in greenhouse gases such as carbon dioxide in the atmosphere.
b) use of paper and wood products involves deforestation. this removes trees that use carbon dioxide in the atmospheric for photosynthesis
c) volcanism adds ash to the atmosphere that blocks out sunlight.
d) a and b only
e) all of the above