Why should one not stare at the Sun during an eclipse?
A) because, whether there is an eclipse or not, the Sun's intense radiation can easily damage our eyes
B) because the eclipse event itself creates a lensing effect, which greatly magnifies and intensifies the Sun's rays
C) because Sunspots, which are excited by the eclipse event, can easily erupt during the eclipse
D) because ultraviolet radiation is intensified during the event
E) because coronas and corneas are always a bad mix
A
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Which scenario produces the highest potential for recharging an aquifer?
A. rain water infiltrating soil B. rain water not being absorbed C. surface water evaporating D. snowmelt running off into a stream
When do tidal currents reach their maximum velocity?
a. Midway between slack water and high tide b. During the period of slack water c. Midway between high and low tide d. Midway between low tide and slack water
An example of folk clothing worn to attract tourists is
A) people in Canada wearing thick jackets to stay warm. B) men is the United States wearing ties for business and formal occasions. C) Jewish men wearing modest black clothes. D) Muslim women wearing modest black clothes. E) women in Cuzco, Peru wearing traditional costumes.
What is the zone on a glacier where the amount of ice added is less than what is lost?
A. accumulation zone B. firn C. ablation zone D. kettle E. melting zone