Giardia duodenalis are what type of contaminant? If the hazard is a microorganism, list what kind. Group of answer choices

physical

chemical

biological

biological, bacteria

biological, parasite

biological, virus

Increased use of cocaine can reduce the period of stimulation. true or false

Asoccer mom is driving her 75 year old grandmother and her 9 year old daughter home after the game. the grandmother and daughter were both in the back seat and both were wearing their seat belts. a car ran a red light in front of them, causing them to t-bone that car on the passenger side. fortunately there were no serious injuries, but the grandmother did sustain several rib fractures. the mother, daughter and driver of the at-fault car were shaken up but unhurt. what are some possible reasons that the grandmother sustained rib fractures while the other victims did not?

What is the proper way to determine that someone is unresponsive before administering cpr