In the conversion of electrical energy to light

energy in a light bulb, how much is lost as heat
energy?



a. 5 percent
b. 15 percent
c. 55 percent
d. 75 percent
e. 95 percent


E

Biology & Microbiology

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Which of the following is not a prezygotic isolating mechanism for two species found in the same geographical location?

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Which structure is part of the placenta and completely surrounds the embryo?

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