Question

Answer the following Questions
1. Which of the skull bones are movable?
2. How are cacti adapted to survive in a desert?
3. Why should an electrician use rubber gloves while repairing an electric switch
at your home? Explain.
4. Why can a pace or a footstep not be used as a standard unit of length?
5. What are the essential conditions for the formation of shadow?

Answer 1

Answer:

1. Mandible or jaw bone.

2.They have stems which can store water and has a very deep root system which helps in collecting water.

3.Rubber gloves are insulators which are resistant to electricity. So it provides safety.

4.Footsteps of a person are different from others. So while counting different people have different counts .

5.First of all...there should be a source of light and screen.Object should be in path of light and there should be an opaque object.