Which atmospheric layer prevent meteoroid from reaching earth surface

Mesosphere is atmospheric layer prevents meteorites from reaching Earth's surface

The middle layer called the Mesosphere layer protects the earth from all meteors and meteoroids from reaching earths surface.

Mesosphere layer

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explanation:

the fossil record extends back to a dog-like ancestor some 55 million years ago, which gave rise to the first horse-like species 55 to 42 million years ago in the genus eohippus.

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.