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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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.
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.
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