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_____________ means making something impure or dirty.
We need ______________ to drink, bathe to body, clean to clothes and cook to food.
______________ is used to generate hydroelectricity.
The smoke from __________ vehicles is less harmful.
Earth day is celebrated on __________ every year.
The first earth day was celebrated on ________________.
Dumping of wastes in the open space causes ___________________ pollution.
_____________ Activities cause pollution.
There a are _____________ states in India.
There are _____________ union territories in India.
There are _____________ types of government in India.
_____________ is the capital of India.
The law-making body of the Central Government – _____________.
India lies in the continent _____________.
_____________ look la after the welfare of the people living in the state.
_____________ is the summer capital.
The moon is the ________ of the earth.
Nail Armstrong was the person to land on the moon on ____________________.
The sun, the moon and the stars are ____________________.
The Sun is a ____________________.
Of the sun takes about ______ minutes and ________ seconds to reach the Earth.
________________ is the source of heat and light on Earth.
____________________ is called a dwarf planet
Solar system is composed of ____________________ planets.
We live on planet ____________________.
Earth is surrounded by blanket of air called ___________________.
_________________ to prove that the earth is round.
___________________ is spherical shape, like an orange.
Model of the earth is called the __________________.
There is ____________________ direction.
A __________________ is an instrument used to find direction.
There are _________________ continents.
______________ is the largest continent.