To spear a small blue fish with a red laser beam, compensate for refraction and aim your laser

A. directly at the sighted fish.
B. above the sighted fish.
C. below the sighted fish.
D. none of the above


Answer: C

Environmental & Atmospheric Sciences

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A. A natural enemy B. A pesticide C. A parasite D. An invasive species E. A nematode

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The type of spectrum produced by a common light bulb is a ________

A) bright-line (emission) spectrum B) dark-line (absorption) spectrum C) continuous spectrum D) all of the above E) none of the above

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Because Ukraine is free from debt to Russia, has few benefits from Russian investments, and does not depend on Russia for oil and natural gas, it is possible for Ukraine to make a clean break from Russia and integrate with Europe

Indicate whether the statement is true or false

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Airplanes may experience risks from volcanic eruptions that cannot be anticipated

a. True b. False

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