Which statement demonstrates that the EMT has a proper understanding of basic operations at the scene of a hazardo materials​ emergency?
A.​"Life or health of the EMS providers should never be risked if the threat is only to the​ environment."
B.​"Identification of the material is not​ important, since the approach is the same for all​ materials."
C.​"It is critical to remove the patients as quickly as possible from the incident​ site."
D."If you cannot see or smell a​ chemical, the chance of one being present is very​ low."