Question

Which is a threat to environment?​

Answer 1

Answer:

Twenty-first century threats to our environment—including invasive species, diseases, pollution, and a warming climate—are putting wildlife populations at risk. The National Wildlife Federation unites Americans addressing these environmental threats and protecting our wildlife and their habitats.

Answer 2

Answer:

Use of fossil fuels based energy.

Explanation:

exactly as the industrial revolution took place the temperature of universe is getting higher continuously.