Question

Human-created climate change is caused by(1 point)
Responses

increased carbon dioxide in the air.
increased carbon dioxide in the air.

increased use of green energy sources.
increased use of green energy sources.

increased oxygen in the air.
increased oxygen in the air.

decreased burning of fossil fuels.
decreased burning of fossil fuels.

Answer 1

Human-created climate change is caused by **increased carbon dioxide in the air**.