D i am pretty sure that is the best answer plus alaska was into fur
It's becasue human populations are concentrated in areas that are lacking proper resources.
C. be a social contract between citizens and their leaders.
The increasing amount of usage of sexual protection.
Answer:
The color is considered dark if the rock appears as a dark gray to black (pyroxenes, the amphibole Hornblende, the mostly Ca-plagioclases near Anorthite, and Biotite mica. Density is a property that is proportional to the composition of the rock. The higher the amount of silica (felsic) the less dense the rock will be.
Explanation:
Hope this helped :)
