A scientist has invented a pill that can replace sleep. It is organic, cheap, and the only side effect is the elimination of dreaming. People taking it would recover approximately 25 years’ worth of time that would otherwise be spent sleeping. Do you foresee any problems resulting from releasing this pill?

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 believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

it's c. (to reduce the greenhouse effect/carbon gasses)

i would say it is