How many carboxylic acids have the molecular formula C5H10O2?

A) 1
B) 2
C) 3
D) 4


D

Environmental & Atmospheric Sciences

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The force that produces forward motion of a cat is

A. in the food the cat eats. B. provided by the floor on the cat. C. the force the cat exerts on the floor. D. none of the above

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By what name is the large peninsula of Turkey, located wholly in Asia, known?

A) Anatolia B) Middle East C) Levant D) Persia E) Maghreb

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If the Earth was in a cooling trend, which of the following processes would most likely act as a positive feedback mechanism?

A. increasing the snow cover around the Earth B. increasing the water vapour content of the air C. decreasing the amount of cloud cover around the Earth D. increasing the carbon dioxide content of the air

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Which of the following was Becquerel studying when he accidentally discovered radioactivity?

A) fluorescence B) phosphorescence C) photography D) the photoelectric effect

Environmental & Atmospheric Sciences