Along afternoon of hard work lies ahead. you will need lots of energy so you're get ready to dig into your lunch, seen here. what biomolecules in your lunch will supply the most energy, per gram?

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.

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