The graph below shows both natural and human influences on climate
change.
Thermal disruption (W/m²)
21
Natural
processes
Human
activities
Agents of Climate Change
Halocarbons
Ozone
CO
0
Net change
-1
-2
in energy
from Sun
Greenhouse gases
Net change
due to
Total aerosols
human
activities
Warming effect
Cooling effect
Which claim does the graph support?
A. Natural processes have a small cooling effect on climate change.
B. Recent climate changes are due mainly to human activities.
C. Recent climate changes are due mainly to natural processes.
D. Human activities and natural processes cancel each other out.