The Ogallala is which of the following?
a. a massive desalination plant in the Middle East
b. the world's largest known aquifer
c. a pumping station drawing fresh water from the Great Lakes for use in the S.W. United States
d. a large body of water in Russia that has almost completely dried up
e. a river in the Middle East that flows into the Mediterranean Sea, and has the potential to become dried up due to extensive irrigation systems
B
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The reason a fired cannonball maintains its horizontal component of velocity, barring air resistance, is that
A. the absence of a vertical component of velocity. B. no forces act on it. C. no horizontal forces act on it. D. all of the above
An important principle in the electrification of a cumulonimbus cloud is that:a
raindrops are always positively charged b. supercooled water is always negatively charged c. ice crystals are always negatively charged d. there is a net transfer of positive ions from a warmer object to a colder object
Explain the concept of annexation
What will be an ideal response?
In closed loop recycling, ________
A) materials are incinerated without first recovering what is recyclable B) a material is recycled into a different product C) materials are recycled an infinite number of times D) the product is made from another type of material and discarded after use E) the product is reused to produce a similar product