Question

2. What is the amount of surface covered by a closed
3. How can you measure a weight?
4. How does the light travels?​

Answer 1

Answer:

2)area

3)beam balance

4) straight lines

please mark my answer as the brainliest

Answer 2

Explanation:

2.The amount of surface enclosed by a closed figure is called its area.

3.

4.Light is made up of little packets of energy called photons. Most of these photons are produced when the atoms in an object heat up. Heat “excites” the electrons inside the atoms and they gain extra energy.

Light travels as a wave. But unlike sound waves or water waves, it does not need any matter or material to carry its energy along. This means that light can travel through a vacuum—a completely airless space