Why is so-called "heat lightning" not associated with thunder?
What will be an ideal response?
The distance is so far that all the sound energy has been dissipated.
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Areas where plates slide past one another, usually at right angles across mid-ocean ridge systems are
A) convergent boundaries. B) transform boundaries. C) areas of seafloor spreading. D) high in volcanic eruptions. E) divergent boundaries.
Some lava flows show a pattern of columns bounded by fractures. These columns are usually ____-sided
A)three B)six C)eight D)twelve E)twenty
Why does precipitation form when air moves up a mountain?
A. Temperatures decrease, causing condensation. B. Temperatures increase, causing condensation. C. Temperatures decrease, causing evaporation. D. Temperatures increase, causing evaporation.
Centers of low surface pressure are commonly referred to as _________ while centers of high surface pressure are commonly called __________.
a. anticyclones, ridges b. cyclones, anticyclones c. anticyclones, cyclones d. cyclones, ridges