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What
is the first layer (bottom) of the Grand Canyon named and approximately
how old is it? |
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Find
the 1998 305(b) water quality report for Delaware. What were Shellpot
CreekWatershed's main concerns with regards to water quality? |
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Where does NASA store the moon rocks? |
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In
addition to Delaware, where are the other three species of horseshoe
crabs located in the world? |
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Find
a picture of a hurricane. |
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How
do walruses keep warm in icy, cold water? |
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What
zoo allows animals to remain in their natural habitat? |
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What
is the highest mountain east of the Mississippi? |
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