Coal, when burnt, produces:
Name the mineral which is used to reduce cavity.
Which out of the following is derived from the ocean waters?
Where is the largest solar plant of India located?
Which energy source below best fits the information in the chart? Type of energy: _____________
___________ is the major raw material for biogas.
Which one of the following is not a fossil fuel?
The death of the last individual of a species is called __________.
A place where an earthquake originates is called the _____________.
___________ helps the environment by slowing down the rate at which we have to burn garbage or put it in landfills.
If an earthquake occurs, which of the following you should not do?
Which of the following is a non-renewable source of energy?
Which of these is not an igneous rock:
What is measured on the Richter Scale from 1 to 8?
The burning of fossil fuels does not release:
There are many places where wave energy can be produced. The best place togenerate energy from waves is:
Floods can be prevented by .
A Tsunami event can begin with a drawdown or retreat if the of the wavearrives first.
Which natural disaster is the most common in the United States of America andAustralia?
One of the world’s worst-ever volcanic eruptions took place 74,000 years ago onan island in which Asian country?