Eugene is listing the colors of the various atoms within the molecules what color would be used to show carbon

sand 60

clay 10

silt 30

sandy loam should be dominated by the sand. as the amount of sand increased, the amount of slit needed to anchor the plants' roots to the sand will also be increased. even though the amount is very little, 10% part of clay is still necessary for proper oxidation.

i believe the answer would be b. hope it : )

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.