Dolphins and porpoises are small-toothed whales.
Answer the following statement true (T) or false (F)
True
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What happens as mantle rock rises?
A) It cools and sinks again almost immediately. B) It cools and contracts. C) It expands at decreased pressure. D) It melts and continues to push upward.
Predict how a change in the hydrologic cycle, such as increased rainfall in an area, might influence the biosphere and geosphere in that area.
Earth's internal layers were discovered by studying
A. seismic waves. B. the Mohorovicic discontinuity. C. convection cells. D. Rayleigh and Love waves.
You are given two volcanic rock samples; one is said to have been ripped from the walls of the volcano, and the other is a cooled sample from a molten river. How can you tell which is which?
What will be an ideal response?