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The sentence below from the section "1 Million Species Threatened" helps prove the claim that humans need nature.

"Nature is essential for human existence and good quality of life," the report said.

Which selection from the section provides further support for the claim?

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.

life would be meaningless without memes

i don't know, but does anyone wanna be friends? i'm doing my homework at 1: 49 in the morning : /

the answer is:

carbon dioxide