Natural resources

Resources which are limited in nature

• coal

• air

• water

• sunlight

The life-supporting zone of the Earth where the atmosphere, the hydrosphere and the lithosphere interact and make life possible, is known as the

• Hydrosphere

• Lithosphere

• atmosphere

• none of these

Pick the odd one out

• soil

• microbes

• fungi

• plants

Carbon dioxide constitutes up to 95-97% of the atmosphere on ------- and -----------------, where no life is known to exist

• Mars and Earth

• Jupiter and Mars

• Mars and Venus

• Venus and Earth

THE FOSSIL FUELS LIKE COAL AND PETROLEUM CONTAIN SMALL AMOUNTS OF ------- AND ---------------

• OXYGEN AND SULPHUR

• SULPHUR AND OXYGEN

• NITROGEN AND SULPHUR

• OXYGEN AND PHOSPHORUS

Cells need oxygen to breakdown ----- to release energy

• chlorophyll

• glucose

• milk

• fat

Green plants convert carbon dioxide into------------ in the presence of Sunlight

• oxygen

• glucose

• energy

• none of these

Many marine animals use --------- dissolved in seawater to make their shells

• phosphates

• oxalates

• carbonates

• sulphates

When air gets heated, it ---------and produces low pressure and cool air moves in to take its place.

• comes down

• rises up

• no change

• none of these

Factors influence the winds

• rotation of the earth

• Mountain ranges

• Temperature

• all of these