Answer: b. property different minerals can have the same color
Explanation:
Minerals can be identified by its colour, appearance and luster. However, different minerals might have almost the same color which makes it difficult to identify and distinguish. Further tests needs to be carried out to properly identify a mineral.
Fresh water and salt water together cover 3/4 of the earth's surface.
Middle Easter Countries import spices.
Earthquakes and volcanoes occur along the edges of the plates. ... When plates move apart, they produce new ocean floor as magma from the mantle rises up through volcanoes and deposits new rock along the plate boundaries. In some areas plates slide alongside each other, neither creating nor destroying land.
The answer is 2 . 6-4= 2 3-2=1. 2/1=2