Which arrows in this figure indicates ultraviolet energy, an external energy source? 

A. A
B. B
C. C
D. D


Answer: B

Environmental & Atmospheric Sciences

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Genes are located on molecules called ________

A) deoxyribonucleic acid B) nuclei C) proteins D) ribonucleic acids

Environmental & Atmospheric Sciences

The frequency of a wave is ________.

A. the time between successive waves B. the amount of displacement of the medium through which the wave is passing C. the number of waves passing a given point per unit time D. the energy of the wave

Environmental & Atmospheric Sciences

The ________ was the first organized territorial state in China

A) Qin dynasty B) Xia dynasty C) Shang dynasty D) Ming dynasty E) none of the above

Environmental & Atmospheric Sciences

A general term for a mass of perennial ice, resting on land or floating shelf-like in the sea adjacent to land is

A) the snowline. B) an iceberg. C) a glacier. D) moraine.

Environmental & Atmospheric Sciences