General Physica...

Which of the following elements are found in highest and lowest quantities respectively in the crust of the Earth?

Which one of the following zones of the atmosphere is rich in ozone gas?

What percentage of world's freshwater is stored as glacial ice?

Which among the following gases has the most volume by percentage in the atmosphere?

The intensity of insolation depends on ___________.

The weakest zone of Asthenosphere lies from the Earth's surface at roughly a depth of ______.

The correct proportion of gases in the atmosphere in descending order is _____________.

Which one of the following layers of the atmosphere is responsible for the deflection of radio waves?

Which of the following statements relating to earthquakes is/are correct?
(1) The point of origin of earthquake is called epicentre.
(2) The lines joining the places which were affected earthquake at the same point of time are called homoseismal lines.
Select the correct answer using the codes given below.

Granite and Basalt are the examples of which of the following?