Which human activity has had the greatest impact on climate change? a. deforestation b. burning fossil fuels c. production of nuclear waste d. building skyscrapers

The answer is (B) the burning of the fossil fuels.

Rationale:

A. Deforestation does affect the climate but has impacted less in comparison to the use of fossils fuels.

B. The burning of fossil fuels release a lot of greenhouse gases into the atmosphere. These gases trap the heat of the Earth making the climate warmer.

C. Nuclear waste are securely stored in lead containers. These containers are then buried deep within the ground to avoid any contact with the nature. Thus, it does not cause any climate change.

D. Building of skyscrappers on land reduces the requirement of additional land for housing. This reduces the clearing of forest for land to build homes.

c

explanation:

a. to encourage apoptosis