What are used to make jewellery items like beads, rings and bracelets?

The burning of fossil fuels and the destruction of rainforest are the main reasons for the increase in the amount of:

The gases in the atmosphere do not allow the heat to escape back into space,they warm up the earth. This effect is called:

What fitted with filters are used in factories to let out smoke and gases?

What is the spoiling of land, air and water called?

A glass house where we grow plants especially during winter:

Spilling of oil or petroleum and dumping of chemical wastes from factories into rivers and seas pollute:

To which colour is the white marble of the Taj Mahal in Agra turning?

What are recycled to make playground surfaces, pencil pouches and diary covers?

Earth's atmosphere is a blanket of: