Question

Define sources of heat with examples
Write any four uses of heat energy.
Define bio-fuels. Write example.​

Answer 1

Answer:

heat enery is said to the sun energy

Answer 2

Explanation:

$\huge\bf\underline{\red{A}\green{N}\orange{S}\pink{W}\purple{E}\blue{R}}$

1. sun,heat
2. cooking food,steam engine,engine of car,bike,train,vechlies,,,,warmth
3. A biofuel is a fuel that is produced through contemporary processes from biomass, rather than a fuel produced by the very slow geological processes involved in the formation of fossil fuels, such as oil.