Answer: C. Secondhand smoke is inhaled less deeply than firsthand smoke.
Step-by-step explanation:
Which of the following statements about secondhand smoke is NOT true?
A. The particles found in secondhand smoke are smaller than the particles found in firsthand smoke.
B. Secondhand smoke can have higher concentration of dangerous chemicals than firsthand smoke.
C. Secondhand smoke is inhaled less deeply than firsthand smoke.
D. Breathing secondhand smoke is at least as dangerous as breathing firsthand smoke.