Biology, 09.06.2021 17:10 kp2078

A student is instructed to record the odor of a substance after heating it in a test tube. Which is the correct safety procedure for the student to follow?
A Wave the fumes from the test tube toward the nose with a hand and inhale
B. Tilt the test tube toward the nose and inhale
C. Place the test tube directly under the nose and inhale
D. Cup hands over the test tube and inhale

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A student is instructed to record the odor of a substance after heating it in a test tube. Which is...

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