Most tornadoes are fairly weak, with wind speeds of 45 meters per second or less
Indicate whether the statement is true or false
T
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The strongest criticism of suburbs argued that historically
A) low-income people and minorities are unable to live in some areas because of the high cost of the housing, the unfriendliness (or discrimination) of established residents, and fears that property values would decline if minorities were allowed to buy property there. B) low-income people and minorities are able to live in some areas because of the low cost of the housing, the friendliness of established residents, and the myth that property values would decline if minorities were allowed to buy property there. C) legal devices, such as requiring several small houses to sit on a large lot of land amid several different apartments, prevented low-income families from living in many suburbs. D) low-income people and minorities are unable to live in some areas because of the high cost of the private schools there, the unfriendliness of African American and Hispanic minorities there, and the fear that property values would not change if other minorities were allowed to buy property there. E) they encouraged the buying and selling of too many automobiles.
Earthquakes are generated by two types of low frequency waves. Indicate whether the statement is true or false
The type of metamorphism that typically produces the hard, dense, fine-grained rocks called mylonites
is called ____________________. Fill in the blank(s) with the appropriate word(s).
If Earth were uniform (homogenous) throughout, seismic waves would ____.?
A) ?not travel from the site of an earthquake and stop at its origination point B) ?bend as it moves from the earthquake site toward the center of Earth and then back to the surface C) ?be reflected from the earthquake site after traveling half the distance to the center D) ?radiate from the site of an earthquake in straight lines