Question: "turn" used in the same way in the following two sentences?

Turn the legs of the table.

People turn to mysticism at the turn of a millennium.

OPTIONS:
- different meanings
- the same meaning
Answer: different meanings
Question: "air" used in the same way in the following two sentences?

Air pollution.

A smell of chemicals in the air.

OPTIONS:
- different meanings
- the same meaning
Answer: the same meaning
Question: "work" used in the same way in the following two sentences?

This dough does not work easily.

The soft metal works well.

OPTIONS:
- different meanings
- the same meaning
Answer: the same meaning
Question: "use" used in the same way in the following two sentences?

We can use this mathematical formula to solve the problem.

Use this knife to slice the bread.

OPTIONS:
- different meanings
- the same meaning
Answer:
the same meaning