Câu hỏi:

Pollution can kill or sicken plants, animals, and people. Pollution can change the environment. Things that cause pollution are called pollutants. Pollution can get into the air. Air pollution can irritate people's lungs. Polluted air can mix with rain to make acid rain. Acid rain kills trees and harms fish in lakes. Pollution can also get into soil and water. From there, pollutants can get into the food chain. Plants take in the pollution from the ground. Animals that eat the plants can be harmed, too. Bigger animals and even people might eat the damaged animals. Animals and people can die because of pollution.

Animals and people can die because of pollution.