GLOBAL WARMING

WATCH THE FOLLOWING VIDEO AND ANSWER THE NEXT QUESTIONS:

https://www.youtube.com/watch?v=-RMD88DNaGk

1) What is the green house effect?

2) Which gases are named greenhouse gases?

3 ) What do green house gases form around the Earth?

4) What are humans doing to contribute with the Green House effect?

5) How is it called the umbrella that protects the Earth?

6) What is the harm of ultraviolet rays?

7) How are humans destructing the Earth's umbrella?

How could you help reducing Global warming?