Which nutrient provide us double the energy than corbohydrates?

Air exerts pressure from ......................... .

What helps in water retention?

........................ increases the rate of Sedimentation.

Which of the following is one of the works of water?

Mesosphere extends from which distance to which distance?

................... is important for a good health.

The left over material on the filter paper is known as .............. .

Some examples of Proteins are .................., .................. and ................ .

When only some of the Moon is hidden by the shadow of the Earth, then what type of eclipse it is called?

Beam Balance comes in what class of Levers?

Identify this simple machine.

Moon seems to chnge it's shape throughout the month because of ................. and ................. .

Pulley reduces our effort with the help of which force?

The area between two high tides region experience ............... .

In ................ slope we have to put less effort but by covering greator distance.

How much time does Moon take to complete one rotation and revolution?

Screw is coilled on a ............... .

All the artificial satellites are located .............. km above the Earth.