True, false, not stated 1.The Earth is the only planet that has life.
2. People cannot take care of the Earth.
3.The Earth is not the largest planet. Mars is bigger.
4. On the earth, there are a lot of environmental problems that arise through the activity of people.
5. The main challenge on the Earth is airborne diseases.

allaaleksandro1    1   26.12.2020 10:52    13