Answer:
b
Explanation:
Permeability is the ability of fluids to flow through rock. It depends on the connectivity of the pore space. Permeable rocks include sandstone and fractured igneous and metamorphic rocks and karst limestone. Impermeable rocks include shales and unfractured igneous and metamorphic rocks.
John henry problem is that the steam driver would take over John henry and his friends work so they won't have money so there families won't have food he solved this problem by entering a contest with the steam drill in the end he won the contest but he died
The answer is around <span>35,000 .
Seondhand smoke refers to someone who inhales smoke beside the primary users who smoke the ciggarate, that usualy standing around the primary user when he/she is using.
According to some studies, second-hand smoking might be more harmful because it includes whatever leftover substance that contained in the primary somker's lung.</span>
West African peoples' diets suffered as European people began colonizing their land and taking the harvests.
To find gold and metals, to increase trade, to compete with Spain to be the dominant power in Europe.
