In Alaska, some coastal areas are threatened by climate change because
A) warmer air temperatures have drastically altered agricultural patterns.
B) much of the Aleutian archipelago has already been submerged.
C) sea ice and permafrost have melted, increasing wave action and soil instability.
D) traditional fish used for food migrated elsewhere to escape the colder ocean temperatures.
C
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Read carefully. Twice as much as one million trillion is two million trillion. One thousand times as much is 1000 million trillion. One million times as much is 1,000,000 million trillion, which is the same as one trillion trillion. Thus, one trillion trillion is a million times greater than a million trillion. Got that? So how many more water molecules than impurity molecules are there in a glass of water that is 99.9999% pure?
A. 1,000,000 (one million: 1 × 106) more water molecules than impurities molecules B. 1,000,000,000 (one billion: 1 × 109) more water molecules than impurities molecules C. 1,000,000,000,000,000,000 (one million trillion: 1 × 1018) more water molecules than impurities molecules D. 1000 (one thousand: 1 × 103) more water molecules than impurities molecules
Granite-gneiss complexes are typical in what age of rocks?
A)Archean B)Hadean C)Neoproterozoic D)Paleoproterozoic E)Mesoproterozoic
Geopolitics is the struggle for space and power played out in a geographical setting
a. True b. False Indicate whether the statement is true or false
Earth is a layered sphere with the ________-density material found near the center of Earth and the ________- density material located near the surface
A) highest; lowest B) highest; highest C) lowest; lowest D) lowest; highest