Describe the seafloor spreading hypothesis
What will be an ideal response?
The seafloor spreading hypothesis states that ocean basins spread apart as the ocean crust grows at the mid-ocean ridges.
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What was the most prevalent argument against the continental drift theory made by some scientists at that time?
a. Solid mantle b. Liquid mantle c. Liquid crust d. Solid crust e. Liquid core
Placing contaminated water in a clear plastic bottle and exposing it to the sun can kill infectious microbes in as little as three hours.
Answer the following statement true (T) or false (F)
Which of the ethical traditions best describes the building of the Hetch Hetchy Reservoir as right because it benefited a large number of people?
A) duty-based ethics B) environmental ethics C) virtue ethics D) utilitarianism E) consequence-based ethics
All of the following are true of ocean currents EXCEPT ________
A) they are driven by gravity B) they are driven by temperature C) they are driven by wind D) they are always rapid and powerful E) they are driven by density differences