Compose a dialogue between two friends highlighting the causes and effects of the second world war.
Prepare a story including to causes and effects of the first world war.
How does seismograph measure the magnitude of the earthquake elucidate with picture.
Present the differences between epicenter and hypocenter.
Though earthquake can not be prevented, its damages can be minimized:
Which of the following is called protective layer?
What is the rate of decrease of temperature per kilometer as we go up in troposphere.
Things to be considered before, during, after earthquake.
What is the full form of CFC.
CFCs deplete ozone layer choose the other gases that deplete ozone layer from the following list.