How do smoking and alcohol consumption affect cancer risk?

A) Smoking combined with alcohol consumption results in greater cancer risk.
B) Drinking alcohol results in greater cancer risk than smoking.
C) Smoking or drinking alcohol result in similar cancer risk.
D) Smoking results in twice the cancer risk of drinking.


A

Biology & Microbiology

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What was the big piece of the puzzle that was

missing from Darwin’s theory of evolution in his day?

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If you wanted to genetically engineer a goat so that it had finer muscle control than other goats, what would be your goal?

A. fewer muscle fibers per motor neuron B. more motor neurons C. more muscle fibers D. larger sarcomeres E. longer motor neurons

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In which cycles are the nutrients found in a gas form?

a. atmospheric cycles b. global cycles

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Which of the following statements about how fruit flies can develop an eye in the middle of a leg is true?

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Biology & Microbiology