All of the following are accurate statements about nonrenewable resources except:
a.
nonrenewable resources are minerals formed in the earth’s crust by geologic forces over millions of years.
b.
nonrenewable resources can be replaced when they are used.
c.
supplies of nonrenewable resources vary greatly.
d.
coal, oil, and natural gas are among the most important nonrenewable mineral resources. plz guys

The Correct Answer is B

Explanation:

Nonrenewable resources are the natural resources which are present in a limited amount on earth. The speed of the formation of these resources is much less than the speed they are being utilized.A non-renewable resource is considered as the natural resource which can not be produced in a short period, and it takes a long process to make them reusable.  

Parabolic sand dunes

U-shaped mounds of sand with convex noses trailed by elongated arms are parabolic dunes. These dunes are formed from blowout dunes where the erosion of vegetated sand leads to a U-shaped depression. ... Sometimes these dunes are called U-shaped, blowout, or hairpin dunes, and they are well known in coastal deserts.

Explanation:

Barchans

Barchans are a crescent-shaped shifting sand dune. Barchans face the wind predominantly from one direction. They are found in sandy deserts.

hope it's help you