Карпюк с.147-149

Every day twenty thousand people are born on our planet.

Most children are born in rich countries.

The Earth provides enough food for all people.

The Arctic ice is melting because of the global warming.

All living creatures need water.

The Earth's water resources are limitless

Rubbish is everywhere and it is dangerous for wild animals.

People are destroying animals and plants' habitats.

Polar bears can hunt on ice and in the forest as well.

The ability of plants and animals to change is called evolution.

Evolution is very fast.