Question

explain the some non conventional sources of power were used in earlier period in three different ways.​

Answer 1

Answer:

non conventional sources

• sun
• water
• air
• light
• temperature
• humidity.

Answer 2

Hey Mate...

Answer:

1. Water mills and windmills were used to bring out water from canals and wells.
2. Solar energy was used for drying of crops after their harvest, for drying clothes and for heating water.
3. Cow dung was used as fuels to heat in most of the villages.

I Hope it helps youu...