Pumice is a Metamorphic rock

Marble is a _____ rock . It is formed from ______.

Which type of lever is this

A ______ is a grooved wheel around which a rope or a belt is passed .

A wedge is a double Inclined plane which is in the shape of ____.

The 3rd Layer of The Atmosphere is

Air Contains ____ percent of Nitrogen .

Air has ______ and occupies ______ .

Which Phase of moon is this ?

Which Eclipse is this

_______ are objects orbiting the earth . the consist of Spent rocket motors , needles and other small particles.

_________ was the India's first probe to the moon . it was launched in the year 2008.

1. The origin point of an earthquake is called the _____.

2. Small Tremors that occur after a earthquake are called _______.

Landslides occur in ______ areas.

In severe Droughts , People die due to shortage of food and water . Such a condition is called as ______ .

In Vermicomposting , Blue worms are added to the compost .

Hydrogen Sulphide causes