Which of these best describe earth's mineral resources? select all that apply.

a. valuable
b. renewable
c. not valuable
d. nonrenewable

Options (A) and (D)

Explanation:

Minerals are usually defined as those solid substances that are inorganic in nature and they are comprised of specific chemical composition and well-defined structure.

These minerals are formed under various conditions. It differs from rocks to rocks. These minerals are valuable as they hold economic value and are non-renewable in nature as they cannot be regenerated.

In order to extract these mineral resources, a large amount of money is required. So it is considered as both valuable as well as non-renewable.

Thus, the correct answer is option (A) and (D).

heat from the core of the earth causes convection currents to occur in the mantle. these currents slowly move the crust around.