Question

E. Give reasons for the following statements.
1. You can use a concave mirror to start a fire using sun's rays but not a convex mirror.
2. Nuclear power plant cannot be constructed in densely populated area.
3. Biomass is a fossil fuel.
4. An ice cube floats in water but sinks in kerosene.
5. Displacement is always equal to distance travelled.​

Answer 1

Answer:

1. because concave mirror reflects light away but convex collects it at one point which can produce fire.

2. because it's cemical and sounds can harms the people.

3. because its extract from natural material.

4. because ice has lower density than water but higher than kerosine.

sorry, I don't know the answer of 5th one.

hope it will help u.

mark me as branliest