Natural resources are classified as renewable and nonrenewable. What is the difference between the two? whether or not the resource exists in nature
whether or not the resource can be replaced
whether or not the resource dwindles in supply
whether or not the resource is useful to humans

The difference between a renewable and a non-renewable natural resource is whether or not the resource can be replaced.

Explanation:

Natural resources are those useful for human beings and for that reason are consumed by them.

Renewable natural resources —such as water, plants and trees or solar energy— are usually renewed at a rate greater than or equal to their consumption, so they are not depleted.

A non-renewable natural resource, such as petroleum, usually has a limited existence, or its renewal speed is very slow, so its consumption can decrease its quantity or deplete it.

The difference between renewable and non-renewable resources is in their long-term availability or depletion.

Other options are not correct because:

the most common energy conversion is from kinetic energy to potential energy, and then from potential energy to kinetic energy.

later on comes the heat energy, mechanical energy, and other energy conversions.

this energy conversion is so common that we can find it in our day to day lives as well.

- one of the most common energy conversions involves the changing of potential energy to kinetic energy or kinetic energy to potential energy