Which of the following is the shortest of the ultraviolet wavelengths and the wavelength responsible for the breakdown of ozone?
a. UV-D
b. UV-C
c. UV-A
d. UV-B
e. UV-E
b. UV-C
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How many electrons are gained or lost in the following half-reaction? Zn ? Zn+2
A) 2 electrons are lost B) 1/2 electron is gained C) 1/2 electron is lost D) 2 electrons are gained E) 4 electrons are gained
Extratropical cyclones form between which two types of atmospheric cells?
a. Two Hadley cells b. A Hadley cell and a Ferrel cell c. A polar cell and a Hadley cell d. A polar cell and a Ferrel cell
Earth's magnetic poles
A) are fixed. B) are migrating approximately 55 to 60 km (34 to 37 mi) per year. C) are perfectly aligned with Earth's axis. D) are misaligned from Earth's axis by 23.5 degrees.
Edie Aikau is well known, and considered a hero, in Hawaii as what?
A) One of the richest hotel owners and businessmen in Honolulu responsible for the current tourist trade. B) The commander in charge of Pearl Harbor on December 7th, 1941. C) The chief of the largest tribe when Europeans discovered Hawaii. D) A surfing champion, legendary lifeguard, and peacemaker.