Which of these caused the united states to grow the most?

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.

Which of the following was a bold new idea expressed in the declaration of indenpendnce?

In the period from 1860 to 1890, which experience was shared by most native americans living in western states?