What causes volcanoes to form at a spreading plate boundary

Agricultural practices in the united states nearly led to the extinction of the peregrine falcon during the 1950s and 60s.

In a constitutional monarchy, the king or queen a. is a symbol of the nation b. runs for office c. controls the legislative branch d. has absolute control

Which domain endings indicate websites that are most likely to be reliable sources? check all that apply. sites ending in .net