Question

Define fuels. (1)

2. Why are aquatic animals and plants able to survive in water ? (2)

3. State any four properties of air. (2)​

Answer 1

1)

Definition of fuel is any substance that can provide heat and produce energy when it is burned. This energy that releases is generally in the form of chemical energy or heat energy.

2)

Aquatic plants are plants that have adapted to living in aquatic environments (saltwater or freshwater). ... Aquatic animals may breathe air or extract oxygen from that dissolved in water through specialised organs called gills, or directly through the skin.

3)

Air is affected by heat.

Air exerts pressure.

Air can be compressed.

Air is affected by altitude.

Answer 2

Answer:

1.material such as coal, gas, or oil that is burned to produce heat or power.

2.Aquatic plants are plants that have adapted to living in aquatic environments (saltwater or freshwater). ... Aquatic animals may breathe air or extract oxygen from that dissolved in water through specialised organs called gills, or directly through the skin.

3.Air takes up space.

Air has mass.

Air is affected by heat.

Air exerts pressure.

Explanation:

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