Which of the following is not an ecological impact of mining?

A)

Drainage problems.

B)

Economic boost to the surrounding communities.

C)

Altering surface and groundwater syatems.

D)

Flora and fauna destruction.

Granite is a hard stone and lasts for a long time in both modern and ancient buildings. as proof of its durability, granite is often used in gravestones and memorials, intended to last for many years.

1)    "way light reflects from a mineral" —  luster ;

2)  "way a mineral breaks under stress " — cleavage ;

3)  "reveals true, natural color of a mineral
                (note: when in powdered form) — streak ;

4)  "least reliable property for identification" — color ;

5)    "measured using the mohs scale" —  hardness .