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If layer G formed just after the dinosaurs became extinct, then when was layer F formed? A. Cenozoic era B. Mesozoic era C. Paleozoic era D. Precambrian era

Folds form instead of faults where which of the following happens? A. Rocks are very hot. B. Rocks are under enough pressure. C. continental plates collide. D. all of the above

What is a glacier? How could a massive chunk of ice carve out valleys and create lakes? Explain what glaciation means and identify an example of a lake that was formed by glacial processes.

Greenhouse gases are essential to support life on earth. True or False.

The Spanish were looking for and expected to find oil when they conquered the Central American region. true or false?

Which statement does not describe how the ocean shapes landforms? A. currents erode beaches. B. sand and gravel in water weather rocks. C. water deposits material and forms deltas. D. waves drop sand and build a up shorelines.

What type of map would most likely be used to depict grizzly bear population density in Glacier National Park?

Which gas is inferred to have been absent from earth's atmosphere during the early Archean era

anout 140000 japanese died in this japanese coty when americans dropped an atomic bomb at the end of world war 2

Why is it significant that san martin resigned from the spanish army