Question

NEED SOME HELP
Which of the following particulates may be found in a sample of air?

A. Dust
B. Pollen
C. Volcanic Ash
D all of the above

Answer 1

B- Pollen and C- Volcanic Ash are your answers.

Answer 2

Your answer to this question would be D. all of the above. Hope that my answer can help you and good luck!