Porque los alquenos tienen dos átomos de H2 menos que los alcanos con el mismo número de átomos de C?​

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.

they deliver oxygen to the blood

but there is no

i guess you forgot putting it.