B, burrowing action of earthworm
When you combine sodium and chloride together to make sodium chloride (table salt) you get a lot of bright light and a lot of heat. This type of reaction is called exothermic.
When an object is in motion, it possesses kinetic energy.
Option b is the only correct answer
<h3>What is kinetic energy?</h3>
Kinetic energy is the energy a body has or possess due to its relative motion.
Some few examples of kinetic energy are as follows:
- Running
- Walking
- Cycling
- Car movement
- Aeroplane flying
Learn more about kinetic energy:
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