In the Chocolate Chip Rock Cycle Lab, the formation of which rock type is shown by
adding slight pressure (a thin textbook)
to the chopped chips that represent
sediment?
A. sedimentary
B. igneous
C. metamorphic
D. fossilized

Why might surface mining be less risky for miners than underground mining? a. surface miners can become trapped in a collapsed mine. b. surface miners work in dusty, enclosed areas. c. surface miners work aboveground. d. surface miners use elevators to enter mines.

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u. s. and mexico. the st. lawrence seaway provides an important trading route for the u. s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?