Question 3 Question
The federal agency whose mission is to save lives, prevent injuries, and protect the health of America's
workers is the
Answer
National Institute for Occupational Safety and Health (NIOSH)
Occupational Safety and Health Administration (OSHA)
Environmental Protection Agency (EPA)
Centers for Disease Control and Prevention (CDC)

The membrane surrounding a living cell consists of an inner and an outer wall that are separated by a small space. assume that the membrane acts like a parallel plate capacitor in which the effective charge density on the inner and outer walls has a magnitude of 7.0 × 10-6 c/m2. (a) what is the magnitude of the electric field within the cell membrane? (b) find the magnitude of the electric force that would be exerted on a potassium ion (k+; charge = +e) placed inside the membrane.

Critical mass is the of material required to produce a chain reaction. a.) minimum amount b.) atomic mass c.) precise amount d.) maximum amount

The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions