Which statement is true about the part of the electromagnetic spectrum that is divided into seven ranges of wavelengths? A. It is one of two parts visible to the human eye.

B. It is one of three parts visible to the human eye.

C. It cannot be seen by the human eye unless it rains.

D. It is the only part visible to the human eye.

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.

true, i don't really know what you're asking but from the info you provided im guessing the answer is true.