Answer: a) The mineral color
Explanation:
The streak is the color of the mineral in its powder form. This is one of the important physical properties. This shows the true color of the mineral. The color is the important distinguishing feature for comparing the minerals. The two different minerals can have the same color exteriorly but usually have different color in powdered form.
Also the trace minerals can change their color appearance of the mineral by causing reflection of light. The trace minerals can have a little effect on the reflection on the small powdery particles in the streak.
One of the reasons for North Korea's struggling economy is because it has been isolated for years.
To be sure I wold likely not google this but just ask my mom or dad. But it's d
The one and only George Washington!
Hope I helped :]
