Which of the following is the name given to the radio waves produced by lightning?

A. St. Elmo's fire
B. sferics
C. thunder
D. sonic boom


Answer: B

Environmental & Atmospheric Sciences

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Most rivers have relatively gentle gradients in the headwaters and steep gradients in their downstream portions

Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences

Which of the following energy sources has environmental impacts that could reduce greenhouse gases immediately, and thus have great potential for Arizona?

A) geothermal energy B) ocean-grown biofuel C) hydropower D) tidal power E) solar power

Environmental & Atmospheric Sciences

Köppen believed that the distribution of solar radiation was an excellent expression of the totality of climate

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Which of the following does NOT refer to the transfer of electromagnetic radiation?

A) Transmission B) Reflection C) Absorption D) Scattering E) Conduction

Environmental & Atmospheric Sciences