Can reverse magnetic compulsion be turned in to a form of non-lethal weaponry?

yes because the magnet would repulse the bullet or whatever weapon they have thus prevention harm

a high pressure system is a dense air mass that is usually cooler and drier than the surrounding air. a low pressure system is a less dense air mass that is usually wetter and warmer than the surrounding air.

in general, areas that experience high atmospheric pressure also experience fair weather. low pressure systems can cause the formation of clouds and storms. air usually flows from areas of high pressure to areas of low pressure..

the answer is b i think