A term referring to the habitable zone

Which of the following is not a gas giant?

Which is not an example of fossil fuel

It is dull black coal with 70% carbon

It produces the greatest amount of energy when burned

Which of the following does not belong to the group?

It is the places where water resides for varying amount of time

It is a permanent body of ice which consists largely of recrystallized snow.

It is a rock or sediment that is frozen for more than two consecutive years

It is a mass of glacial land ice extending more than 5000 km2

A change in the physical state of water from liquid to gas

The process by which a high percentage of precipitation is returned from the atmosphere

Which of the following is not a wetland?

Waste material being treated is converted into gas, particles and heat. These products are later used to generate electricity.

It is the cheapest and most convenient method. It is usually constructed above an impermeable clay layer that is lined with an impermeable membrane.

These type of waste from households, commercial establishment, institution and some industrial sources

These type of waste includes variety of materials such as demolition waste, scraps from manufacturing processes and ash from combustion.