Which is a way that paleontologists have contributed to humans' understanding of the history of life? They found evidence that climate has not changed significantly. They grouped organisms by the period in which they existed. They discovered that the first humans lived with dinosaurs. They learned that life has existed since Earth was created.

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.

quote is the answer your looking for.

answer; size, shape, color and status;