Sand and gravel are staples of the construction industry.

what process is involved in the distribution of these materials?

a)
a biological process
b)
igneous
c)
a sedimentary process
d)
weathering

It is NOT D

Explanation:

On edge, the answer is NOT weathering

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.