To make an ice cube, you fill a tray with liquid water which then freezes, making a coherent solid (a rock). Which rock type would the ice cube be?
a. Metamorphic
b. Igneous – the water is akin to magma, and cooling magma creates an igneous rock
c. Sedimentary
Ans: b. Igneous – the water is akin to magma, and cooling magma creates an igneous rock
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Which Southeast Asian country remains a significant oil exporter relative to the size of its economy?
A) Brunei B) Burma C) Malaysia D) Indonesia E) Singapore
Which of the following is not true of annexation in the U.S.?
A) Rules concerning annexation vary among states. B) Normally, land cannot be annexed into a city even if a majority of residents in the affected area vote in favor of doing so. C) Peripheral residents generally desired annexation in the nineteenth century, because the city offered better services, such as water supply, sewage disposal, and trash pickup. D) Today's cities are surrounded by a collection of suburban jurisdictions whose residents prefer to remain legally independent of the large city. E) As U.S. cities grew rapidly in the nineteenth century, the legal boundaries frequently changed to accommodate newly developed areas.
The pressure at the bottom of the atmosphere is referred to as:
A) reference pressure. B) sea level pressure. C) lowest pressure system. D) constant surface pressure.
Pressure decreases with altitude by 50% with every increase in altitude of how much?
A) 1 mile B) 1 km C) 5.5 km D) 10 km