Which is the lose material found on the Earth's surface?

If the trees are cut down, the amount of rainfall:

National parks and sanctuaries are created by the Government to protect and preserve:

Which of the following is not a renewable resource?

Biogas is produced from:

The resources if managed wisely, maintain themselves or get replaced are called:

The source of minerals for the plants is:

Sacred groves are mostly found in which of the following states?

Which of the following is used for making electrical goods?

Which of the following is an alternative source of energy?