Which of the following are contributions of epidemiology to environmental health?

a) concerns with populations

b) use of observational data

c) methodology for study designs

d) descriptive and analytic studies

e) all of the above.

What type of coastline is commonly found along the western side of the america’s

The incident command system (ics) is: a. most applicable to the management of complex incidents that extend over many hours or days. b. a military system used in domestic incidents to ensure command and control of federal resources. c. a standardized management tool for meeting the demands of small or large emergency or nonemergency situations. d. a relatively new approach created based on the lessons learned from hurricane harvey disaster operations.

Zac wanted to determine the measure of r and of ? r in the triangle below. to fine the measure of r, zac sets up the problem.42^2 + 24^2 = r 2. determine whether zac set the problem up correctly.