What is the name given to the images embedded in these rocks? a. drawings b. petrified wood c. fossils d. amber

World war i brought increased immigration to the united states from which country? germany france italy mexico

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.

Concerns about the environment prompt congress to pass a $1 surcharge tax on each gallon of gasoline. which statement best describes the impact of such a tax