Which of the following is true about quartz?

A) It fractures in unpredictable patterns.
B) It forms eight-sided crystals.
C) It has two directions of cleavage.
D) It has three directions of cleavage.


Answer: A

Environmental & Atmospheric Sciences

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Which of the following gives the name for a coloured ring that appears around the shadow of an aircraft?

A. glory B. Heiligenshein C. brocken bow D. corona

Environmental & Atmospheric Sciences

The 500 mb pressure patterns displayed would bring ________ to Texas and the High Plains.

A. zonal flow, supporting storm formation B. a trough of low pressure, supporting storm formation C. a ridge of high pressure, suppressing storm formation D. zonal flow, neither suppressing nor supporting storms

Environmental & Atmospheric Sciences

Supercooled water is water which is:

A) a special form of ice. B) produced from dry ice. C) still liquid at temperatures below 0°C. D) part liquid and part solid.

Environmental & Atmospheric Sciences

A closed system means that neither energy nor matter enter or leave the system

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences