Question

C. State whether the following statements are true or false.
1. Convection air currents cause land and sea breeze.
2. When a substance is heated its density increases.
3. A substance that floats in one liquid may sink in another.
4. The relative density multiplied by 1000 gives the density in CGS units.
5. Hot fluid rises and cold fluid sinks, this gives rise to convection currents.​

Answer 1

Explanation:

i think 3,4,5 are true

1,2 are false

Answer 2

Answer:

1 true

2 true but friend in many cases false

3 yeah because different liquids have different density

4 true

5 false opposite