Question

I NEED HELP WITH ALL QUESTOONS PLEASE

Answer 1

Answer:

3) B

4) A

5) B

Explanation:

3) Sun heats up the air of a particular region due to which the air heated rises up ( as hot air is lighter than cool air ). When the hot sir rises , the cool air from other region comes there & like this wind blow.

4) A toaster uses electricity to produce heat in order to toast bread  So here the electric energy is converted to thermal energy.

5) Windmills , Hydroelectricity dams & Ethanol plants have turbines & turbines do have a generator which is to be rotated . When the generator is rotated , electricity is generated.