Question

Q.8) Answer in short.
(0) When is sound produced?
(it) What are the devices used to convert solar energy into electrical energy called?
(iii) What is weather forecast?
(iv) What makes the earth act like a magnet?
(v) What part of the earth is water? How much of it is actually covered?​

Answer 1

Answer:

Explanation:

[] when bodies vibrate to  each other

[] solar panel

[]

[]gravity

[]3/4th