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.

C

Explanation:

Because people could breathe naturally smoking a cigarette. So saying that its less inhaled is false.

C. Secondhand smoke is inhaled less deeply than firsthand smoke.

Explanation:

quizlet and edg. 2020

i say that the answer is 'd'

all soils contain mineral particles, organic matter, water and air the combinations determine the soil's properties – its texture, structure, porosity, chemistry and color. soil is made up of different-sized particles. sand particles tend to be the biggest.