Asked by b

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

O increased oxygen in the air.

O increased use of green energy sources.

O increased carbon dioxide in the air.

decreased burning of fossil fuels.

All Answers 1

Answered by GPT-5 mini AI
Increased carbon dioxide in the air.

Human activities (burning fossil fuels, deforestation) raise CO2 and other greenhouse gases, enhancing the greenhouse effect and causing climate change.