<u>Answer:</u>
Crystal structure is a way how atoms or molecules are arranged and in what manner to form a Crystal and this arrangement helps to differentiate one crystal from the other.
Using a crystal structure we can tell that crystal of pyrite is cubic and crystal of gypsum is mono-clinic which helps to tell us that both the crystals are separate from one another because of the arrangement of the molecules and atoms in both.
A shaded relief map uses different colors to represent elevation. The correct option among all the options given in the question is option "C". The shaded relief map is actually used to show the various high and low elevations of an area.It actually shows mountains and plains in different colors for people to understand.
650 × 16 = 10400
10400 ÷ 100 = 104
<u>So the answer is 104</u>