Which of the following is a renewable natural resource?
Which gas is most important for human breathing?
Which of the following is a non-renewable resource?
The largest source of fresh water on Earth is:
Which of these is a fossil fuel?
Which natural resource is used to make paper?
Which of the following is a metallic mineral?
Which is the primary source of energy for life on Earth?
What do we get from forests?
Which of the following practices helps in saving natural resources?
