Is a compound considered s pure substance

no

Explanation:

a compound has 2 or more substances.and can be broken down.

a pure substance can't be broken down any further

A compound is not a pure substance.

Explanation:

The answer is obvious. A compound is made of multiple substances, and can be split up. If it can be split it up, it is not a pure substance.

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.

c is the answer : )               your welcome