Question

Which two factors have likely influenced global temperatures the most?

A: solar radiation
B: volcanic activity
C: agricultural activities
D: fossil fuel consumption

Answer 1

B: volcanic activity

D: fossil fuel consumption

Step-by-step explanation:

Fossil fuel consumption and volcanic activity are the two factors that has a great influenced on the global temperatures. Fossil fuel consumption is a human activity and volcanic activity both releases carbondioxide gas while burning. This carbondioxide gas is a greenhouse gas which block the reflected solar radiation and leads to increase in the surface temperature of the earth.