Which mineral property is easily observed, but can be unreliable when it comes to mineral identification?
o
streak
o
cleavage
o
color
o hardness
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Explanation:

Minerals are naturally formed crystalline solid that have a unique, and specific chemical composition. The chemical composition makes a mineral different from other minerals. The physical properties of minerals include color, hardness, crystal form, luster, streak, and cleavage. Color is the mineral property that is easily observed but can be unreliable when identifying minerals. The color of minerals have the tendency to change based on the chemical composition. Also, impurities can also influence the color of minerals.

answer; a male inherits only one allele of the x-linked gene controlling hair color;

the man is bald so he has no hair to get wet