If the greenhouse effect did not exist, what would happen to earth?
A) Earth would be too cold to support life as we know it.
B) Earth would be much too hot to support life as we know it.
C) Earth would be too wet to support life as we know it.
D) Our environment would be greatly improved.
E) It would make no difference.
A
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Typically when a glacier recedes, the deposited material leaves behind
A) material of a wide range of sizes, until streams moving around the area begin to sort the material by size. B) material of a wide range of sizes only after streams moving around the area begin to mix together the particles of different sizes. C) primarily clay-sized material because material bigger than clay cannot be picked up by ice easily. D) primarily sand-sized materials and larger because the ice tends to crush the finer materials into a powder.
An example of an intangible resource is
A. Human labor B. Satisfaction C. Capital D. Solar energy E. Extinct species
Greenstone belts are dominated by volcanic rocks in the lower two-thirds and sedimentary rocks
in the upper third. Indicate whether the statement is true or false.
The greatest tidal range between high and low tide is known as spring tides
Indicate whether the statement is true or false