Science AIR

almost all of the water on earth is in lake

• yes

• no

water without salt is called

• cold water

• hot water

• fresh water

• watermelon

air is all around we cannot see .... or taste air

• touch

• eat

• learn

• oxygen

air is mixture of different gases, like

people need air to

moving air is called ....

almost of air in the earth is on the sea

• yes

• no

which gas componen is the largest?

• oxygen

• nitrogen

• carbondioxide

• noble gases

what is layer is surronded around the earth?

• oxygen

• air

• atmosphere

gases that use by plants to make food

• oxygen

• nitrogen

• carbon dioxide