typical motions of one plate relative to another are 1 centimeter per year. At this rate, how long would it take for two continents 2900 kilometers apart to collide?

this is a pretty broad question and can be a pretty lengthy answer. since 1900, women have gained a lot more rights and have become active in the workforce. with women being in the workforce, men play a larger role in family life. many family tasks are shared between men and women, whereas, women used to be the sole family caretakers.

that should get you started at least.

answer; presidential election years;