Consider the shallow ocean basins and current climate in the Persian Gulf. What kind of rocks would you expect to be forming there, and how would they form?
What will be an ideal response?
Answer: As the water evaporates, the solution becomes enriched with salt until the solution can hold no more. This process forces precipitation of the salt crystals. In the Persian Gulf, the high temperatures evaporate a great deal of water from the sea, leaving rock salt deposits behind.
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Which one of the following is the best analogy to the movements of continents by plate tectonics?
A) A worm tunneling through soil B) Noodles drifting throughout a cup of chicken noodle soup C) Air mattresses drifting about on the top of a swimming pool D) A train running along its tracks
In response to criticisms of Limits to Growth, a computer model was published in Beyond the Limits that
A. Includes a lower rate of world population growth B. Predicted a decrease in both population and resources in the next century C. Predicted an increase in resources in the next century D. Predicted growth in both population and resources in the next century E. Includes technological progress and pollution abatement
What new findings about the ocean floor did oceanographers discover after World War II?
What will be an ideal response?
Changes in water density in the oceans create ________.
A. the sofar channel B. light refraction C. sound shadows D. All of these are correct. E. None of these is correct.