Help it's 7th grade science

general practitioner

Explanation:

A nephrologist generally sees patients who are referred by their primary care physicians or general physicians for problems related to the kidneys

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 think the answer would d