Central America has a tropical humid climate.
Answer:
d) cutting a larger crystal along four perfect cleavage planes, forming a cleavage fragment.
Explanation:
Fluorite Octahedron crystals are formed narutally, <em>but it's not common,</em> they can be found more commonly as cubes,<em> the majority of fluorite octahedron are formed when miners cit them along its natural cleave lines. </em>
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subtract 8 from both sides leaving

combine -2x+-8x =-10x

divide both sides by ten
I guess no because every where in earth there are different geologic column
The correct answer is diamonds