Respuesta :
c. Secondhand smoke is inhaled less deeply than firsthand smoke.
Secondhand smoke is inhaled less than firsthand smoke due to the close distance encountered and is denoted as option C.
What is Secondhand smoke?
This is the type of smoke which isn't inhaled directly from the source. It is inhaled as a result of close proximity to it.
This is the major reason why secondhand smoke is inhaled less deeply than firsthand smoke.
Read more about Smoke here https://brainly.com/question/1126936