A person's blood has 98% water and 2% dissolved solids, and the blood cell itself has 98% water and 2% dissolved solids. What is the movement of water in and out of the cell?
movement of water into the cell only
movement of water out of the cell only
no movement of water
equilibrium

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?