What was president polks response after violence erupted at the rio grande river? please help

On average, being married has a(n) effect on happiness.

Your family is planning a cruise vacation to the caribbean. you were planning on going in july, but you heard july is hurricane season.why do you think there are more hurricanes during the summer? when would be a safer time to visit?

Does the amount of material present affect its intensive or extensive properties? explain.