Continental shields and platforms represent ________
A) sedimentary basins with inland seas shaped like a shield, like Hudson's bay
B) areas in the interior of continents that have not experienced mountain building for billions of years
C) names given to Paleozoic mountain belts
D) sites where continents collide, analogous to warriors clashing shields
B
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What chemical is responsible for depleting the Earth's ozone at a rapid rate?
a. DDT b. PCBs c. CFCs d. Carbon dioxide
A species with a low reproductive rate is more likely to become extinct than one with a high reproductive rate.
Answer the following statement true (T) or false (F)
An area of a fault that has had significantly fewer earthquakes than the areas around it is known as a(n) _______________. (two words)
Fill in the blank with correct word.
Limestone is a type of ________ rock that forms when ________
A) igneous; lava cools B) igneous; magma cools C) sedimentary; broken fragments of rock are deposited in a water environment and are then cemented together. D) sedimentary; calcium carbonate precipitates, or organic material containing calcium carbonate accumulates in a water environment