Question

Q1.fill in the blanks
1.___changes cannot be controlled by men.
2.new substance are formed during a___change
3.rusting of iron is an___change
4.most substance___on heating and___on cooling.
5.most metal objects are made by the process of___.
6.growth of a particular are of our body is called___.
note:write only answer s​

Answer 1

Answer:

sorry I don't know the answer of 1st

Explanation:

1.

2. chemical

3.chemical

4.expand on heating and contract on cooling.

5. Melting

6. Development