Many natural reefs have been damaged by human activity. However, some marine life has adapted to
using artificial reefs on structures such as sunken
ships. One advantage of artificial reefs for marine
life is that they

How did the growth of railroads american businesses expand

What does a most-favored-nation (mfn) status mean? a country pays the same tariffs as those paid by all mfn countries. a country has a special exemption from all tariffs in the united states. a country has special licensing agreements with u.s. corporations. a country is exempt from product standards that make it expensive for goods to be imported.

Black death spread because of what problem in medieval europe? which one is it i need the answer quick . a- overcrowded cities b-too many farm animals c-not enough qualified doctors d-all of the above