Hazardous and Toxic Materials Have Characteristics That Present Unique Challenges

Multiple Choice

Hazardous and toxic materials have characteristics that present unique challenges for monitoring and control, such as

A) they are found everywhere in the modern economy.
B) the sheer number of them leads to difficulty in being informed about the levels of danger.
C) the quantity used can be very small, leading to difficulty in monitoring.
D) all of the above.