A green flash appears when:
A) the sun is just rising or setting. B) there is a temperature inversion present.
C) there is a rainstorm in progress. D) light is refracted around the edges of clouds.
A
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What is the difference between a joint and a fault?
A) A joint is formed by confining pressure. B) A joint is formed by differential stress but a fault is not. C) A fault is formed by tension, but a joint is formed by compression. D) A fault displaces the rocks on one side relative to another.
Satellites are currently the most important source of information about hurricane development and movement
Indicate whether the statement is true or false
How many milligrams (mg) are there is 1 kilogram (kg)?
A) 1 x 10^-12 B) 1 x 10^-6 C) 1 x 10^6 D) 1 x 10^1
Star dunes ____
a. have only been found on Mars b. are the smallest type of sand dune c. have long arms stabilized by vegetation d. have multiple slip faces