Of the elements in the Earth's crusts, ________ makes up the most of the Earth's crust by weight
A) silicon (Si)
B) aluminum (Al)
C) oxygen (O)
D) iron (Fe)
C
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Which of the following is associated with a mid-ocean ridge?
A. continental rift B. an island arc C. melting of the subducting plate D. lower topography than surrounding seafloor E. magma produced as the mantle rises up
In tropical wet climates, high humidity and ____________________ tend to keep maximum temperatures from reaching extremely high values
Fill in the blank with correct word.
Beneath an intense thunderstorm, the downdraft may become localized so that it hits the ground and spreads horizontally in a radial burst of wind. This is called a(n) ____
A) dry line B) outflow boundary C) squall line D) downburst