Sample Question: The different properties and functions of carbohydrates, and other biological molecules, is due to
what?
A.
Their structures.
B.
Where they are found.
C.
They are inorganic molecules.
D.
Their bonds.

cats appear to have glowing cat eyes because the back of their eyeballs includes a special reflective surface called the tapetum lucidum. this lets them see better during the night, giving them a much better vision.

because of

c

explanation:

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.