Which is true about the effect of moderate stress?

it can improve concentration and performance.

it takes a negative toll on performance.

it always produces negative results.

it causes a person to feel overwhelmed and fail.

Fitness evaluations are usually design for certain group of people

How does nitrogen oxides are produced and their air environment impact

How is health different for most people in this country today from what it was for people born in 1900? a. people have a shorter life span. b. people today work harder to survive. c. people today live in poorer sanitary conditions. d. people today can focus less on day-to-day survival and more quality of life.