Why do you think immigration patterns differed by region of origin?

In a 2-3 paragraph response, analyze the social and economic impacts of the second industrial revolution. be sure to discuss both class and gender. fast

Which statements explain reasons why unconformities occur? check all that apply. rocks along a fault break and move. igneous rock forms at earth’s surface. rocks erode and sediment is deposited. no sediment is deposited over a long time. igneous rock forms between sedimentary layers.

Who did the first work in creating vaccines