La luz entra en el ojo a través de una capa transparente llamada

a. retina.
b. pupila.
c. córnea.
d. lente.


c. córnea.

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The high-temperature limit switch mounted above or beside the heat exchanger of a gas furnace should cycle open if _____.

a. a flame rollout occurs b. the indoor temperature exceeds 75°F c. there is too much combustion air d. the indoor blower fails to operate

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Strawberry plants are _____

A) considered to be a high cash crop B) high producers on a per acre basis C) in high demand in the spring D) all of the above

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The first stage of the organizational innovation process is

a. development b. application c. launch d. growth e. maturity

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What is the nominal (average) resistance value of a resistor with color bands: a=brown, b=black, c=red?

A. 10 ? B. 1 ? C. 1 k? D. 10 k? E. 100 ?

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