Объяснение:
1. If we can solve environmental problems, we will save the Earth.
2. People will be healthier if air pollution is stopped.
3. If different countries test nuclear weapons, they will cause radioactive contamination.
4. If factories drain waste into rivers, the water in them will be poisoned.
5. We will survive if we defend nature together.
1) When you go south, try not to be under the direct rays of the sun for a long time.
2)When we participate in a TV show, we will discuss environmental issues.
3) When the ecology is better, the animals will return to their habitat.
4) You will learn about rare and endangered species when you read this book.
5) Little Peter will be able to see different species of mammals, birds, reptiles and insects when he goes to the zoo with his mother.
