Question

which of the following is a human - made factor that can change climate?
a. respiration
b. volcanoes
c. agriculture
d. the solar cycle

Explanation:

• Respiration (A): It is a natural biological process of living organisms (not a human - made factor specifically for climate change in the context of large - scale climate alteration).
• Volcanoes (B): Volcanic eruptions are natural geological phenomena.
• Agriculture (C): Human agricultural activities such as deforestation for farming, use of fertilizers (which can release nitrous oxide - a greenhouse gas), and livestock rearing (methane emissions from livestock) are human - made factors that can change the climate.
• The solar cycle (D): It is a natural astronomical phenomenon related to the sun's activity.

Answer:

C. Agriculture