The graph below shows both natural and human influences on climate
change. Which claim does the graph support?
Agents of Climate Change
Thermal disruption (W/m²)
2-019
Natural
processes
Net change
in energy
from Sun
Human
activities
CO₂
Halocarbons
Ozone
Greenhouse gases
Warming effect
Total aerosols
Cooling effect
Net change
human
activities
A. Natural processes have a small cooling effect on climate.
B. Recent climate changes are caused mainly by natural processes.
C. Recent climate changes are caused mainly by human activities.
D. Human activities have an insignificant effect on climate
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