How often can someone breath fiberglass and glass dust before it becomes very harmful to the lungs? for how long?

Stuart runs with his brother each morning, and they can only speak one or two words at a time between multiple deep breaths. which best describes their heart rates during this activity? low moderate vigorous dangerous

Which of the following is not covered in your emergency action plan

Which of these statements describes clinical depression? a. a milder form of depression that usually follows a traumatic event b. a medical condition that may occur due to a chemical imbalance in the brain c. alternate feelings of extreme happiness and extreme sadness