5. The cartoon above illustrates a specific geologic process. Which of the additional geologic images DOES NOT feature this same process at work?
C.D.The folded Appalachians, including the region around Penn State, the great Smokies, and the Blue Ridge, formed when Africa and Europe collided with the Americas, much as the two cars inthe picture collided. Crater Lake records different processes. Points Earned:1/1 Your Response:B 6.If two drifting continents run into each other:
"The Unsinkable North America" might not make it as a vehicle for show tunes, but continents have floated around for 4 billion years and are unlikely to sink in the near future. Old, cold sea floor can sink into the mantle, but continents are lower in density than sea floor and cannot follow. A continent could sink into a subterranean lake of Pepsi One if such a thing existed, but no such thing exists.Points Earned:1/1 Your Response:C 7.What sort of rock is pictured bove?
The large crystals, intergrown nature, and separate dark and light layers all point to metamorphism, deep inside a mountain range. Rapid cooling in volcanic eruptions gives tiny crystals, not the big, pretty ones here. You can see the former sand grains or other-sized piecesin sediment and sedimentary rocks. And marmot doo-doo consists of small, dark pellets, akin to big rabbit doots, and usually isn't considered to be rock.Points Earned:1/1 Your Response:E 8.A 100-foot-high tsunami wave nearly kills you in your boat. It is likely that: