Question

Q4. Do as directed. (09)

1) You have been asked to maintain a garden. How will you minimize the use of

water?

2) List any three uses of concave mirror.

3) Do you think an electromagnet can be used for separating plastic bags from a

garbage heap? Explain​

Answer 1

1. WE WILL DO DRIP IRRIGATION.
2. no I don't think so an electromagnet can be used for seperating plastic bags from a garbage heap !