Know About the wiorld

how many types of layer in the atmosphere

• 5

• 7

• 6

• 8

which is the jacket of the our planet

• ozone layer

• atmospheres

• troposphere

• mesosphere

jacket of earth keep's us from

troposphere contains

• uv rays

• clouds' and rain

• meteros

• satellite TV

upper layer of the earth is

• moho

• crust

• outer core

• none of these

4th layer of the earth is

streak shows

• color

• hardness

• powdered form

• luster

what is the size of sedimentary

• 0.25-1m

• 0.20-1m

• 0.25-1cm

• none of these

rocks are mainly type of

• 3

• 4

• 2

• 5

which rock is known as cooling rock

• sedimentary

• igneous

• metamorphic

• none of these