Two indifference curves cannot intersect each other. Explain Why? Use diagram.

Can two isothermal curves intersect each other?

Prove that two different circles cannot intersect each other at more than two points.

Two gases cannot diffuse into each other.

Consider the following statements about indifference curves : 1. Indifference curves are convex to the origin. 2. Higher indifference curve represents higher level of satisfaction. 3. Two indifference curves cut each other Which of the statements given above is/are correct?