What are roots made out of

The exterior of the root is called the epidermis and is composed of dermal tissue, made up of Epidermal Cells

long membranous extensions called root hairs. Root hairs increase the surface area of the root, maximizing water and mineral absorption.

i believe the answer would be:

d. violin, clarinet, french horn, and tuba

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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