PM10 particles are .....
a. the same size as PM2.5 particles, but are considered to be more toxic which is why the number is higher b. generally larger than PM2.5 particles based on their aerodynamic diameter c. smaller than PM2.5 particles based on their aerodynamic diameter d. 10 times the toxicity of a regular air particle e. more toxic to human lungs than PM2.5 particles