This American music genre can be described as a way to musically express "hardships" and came from the culture if those Americans with enslaved ancestors.

Sequoia national park  /  inyo national forest, california, u.s. mount whitney is the tallest mountain in california, as well as the highest summit in the contiguous united states and thesierra nevada—with an elevation of 14,505 feet (4,421 m).

Answer (d) may increase or decrease porosity through dissolution or deposition;

The figure is not necessarily a parallelogram because only one diagonal is bisected and only one pair of sides is congruent.