Q.1.
Which of these is NOT due to global warming?
Q.2.
How is hydroelectricity produced?
Q.3.
Why are the rainforests being chopped down?
Q.4.
What is the ozone layer?
Q.5.
What type of harmful gasses surround the Earth?
Q.6.
Which of these human activities is NOT causing global warming?
Q.7.
Which of these is NOT an environmentally-friendly method of producing electricity?
Q.8.
Which of these effects does burning fossil fuels have on the environment?
Q.9.
What is the power produced by the sun called?
Q.10.
What have most governments agreed to do to help stop global warming?