Purging, excessive dieting, and excessive exercising are symptoms of a. anorexia nervosab. binge eating disorderc. disordered eatingd. bulimia nervosa

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand

The theories on the expansion of galaxies maybe re-examined to strengthen science should not be tested to strengthen science will weaken scientific knowledge if they change will become laws if they don't change

This is collection of data made by comparing objects in standard units. in science, the units are metric.