PLZ HELP ASAP WILL GIVE BRANLIEST

an ocean trench:
a) is the site of submarine volcanoes.
b) occurs when a plate is moving down.
c) marks the upwelling of mantle material
d) started the breakup of the single southern continent

Which of the following was discovered in the piedmont region of north carolina in 1799?

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

"it is one thing to say that the police cannot be used as an instrument for the suppression of unpopular views, and another to say that, when as here the speaker passes the bounds of argument and undertakes incitement to riot, they are powerless to prevent a breach of peace." --chief justice fred m. vinson, 1951 chief justice fred m. vinson's writings in feiner v. new york conclude that freedom of speech must be protected at all costs, including a breach of the peace. select the best answer from the choices provided ot of next submit mark this and return