Question

1.The impurities present in water which neither dissolve nor settle down but remain suspended are called __________.
2.oil need ________for burning.
3. Heat is form of ___________.
4. __________is an insulator.
(a) trees. (b) people. (c) glass

Answer 1

Answer:

2 oxygen

3. energy

4 tress and glass

Answer 2

Answer:

1. I don't know

2. oxygen

3. energy

4. glass