List five activities that are possible due to the presence of air.

टिप्पणी लिखिए

shaalaa.com

क्या इस प्रश्न या उत्तर में कोई त्रुटि है?

What was the ancient belief regarding the nature of matter ?

Name two air pollutants which affect our health.

What is meant by ozone depletion?

Tick (√) the correct alternative from the choice given for the following statement.

Air pollution is due to the

Tick (√) the correct alternative from the choice given for the following statement.

Rust is

Name the following.

Inert gases in the air

______ soil has pH 7.

Mention two uses of air.

The composition of air is always exactly the same.

In the boxes of Column, I the letters of some words got jumbled. Arrange them in proper form in the boxes given in Column II

Column I		Column II
(a)	\[\boxed{\text{D}}\]\[\boxed{\text{I}}\]\[\boxed{\text{L}}\]\[\boxed{\text{L}}\]\[\boxed{\text{M}}\]\[\boxed{\text{W}}\]\[\boxed{\text{I}}\]\[\boxed{\text{N}}\]	(a)	`squaresquaresquaresquaresquaresquaresquare square`
(b)	\[\boxed{\text{Y}}\]\[\boxed{\text{N}}\]\[\boxed{\text{O}}\]\[\boxed{\text{G}}\]\[\boxed{\text{X}}\]\[\boxed{\text{E}}\]	(b)	`squaresquaresquaresquaresquare square`
(c)	\[\boxed{\text{M}}\]\[\boxed{\text{E}}\]\[\boxed{\text{S}}\]\[\boxed{\text{K}}\]\[\boxed{\text{O}}\]	(c)	`squaresquaresquaresquaresquare`
(d)	\[\boxed{\text{T}}\]\[\boxed{\text{U}}\]\[\boxed{\text{D}}\]\[\boxed{\text{S}}\]	(d)	`squaresquaresquare`