The moon is earth's only satellite.

a. natural
b. artificial
c. planetesimal
d. geologically active

A. Natural

Explanation:

The moon orbits Earth just like Earth orbits the sun. The moon is Earth's only natural satellite.

d i think its   answer d

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.