When you are near, or working with a potentially poisonous substance that can become airborne, protect yourself by wearing protective gear and keeping the area a. dim b. well-ventilated c. sealed d. brightly lighted

What is difference between an epidemic and a pandemic? a) an epidemic is a disease; a pandemic is a treatment.b) an epidemic is restricted to a local region; a pandemic is global.c) an epidemic has low mortality; a pandemic has higher mortality.d) an epidemic is caused by a bacterial infection; a pandemic is caused by a viral infection.