The most conspicuous features on the surface of the Sun are dark areas called ________
Fill in the blank(s) with correct word
sunspots
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The hydrogen bonding in water creates ________, a cohesive force that enables one to slightly overfill a glass with water or allows denser objects, such as a lengthwise steel needle, to float on water
A) surface tension B) capillary action C) friction D) heat exchange
When the Sun and Moon are neither in conjunction or opposition, the ________ tide occurs and results in the ________ tidal range between low and high tides
A) spring; greatest B) neap; greatest C) spring; lowest D) neap; lowest
The slight eastward slope of the Great Plains was created during the Cenozoic by ________
A) uplift of the western U.S. due to the formation of the Rocky Mountains B) deposition of sediments shed from the eroding Rocky Mountains C) uplift of the expanding Basin and Range Province D) tilting of the U.S. because of sediment deposited on the trailing edge of the plate E) uplift of the western U.S. due to volcanic activity
The greenhouse gas carbon dioxide (CO2) is not covered by the Clean Air Act
a. True b. False