Two students make a model of a treehouse they want to build. the scale is 1: 42. in the scale model the treehouse store is 3 cm tall how tall should the real tree house store be

Most scientific questions are based on opinions. hypotheses. observations. experimental data.

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy

Which ocean is on the eastern coast of north and south america? arctic ocean indian ocean pacific ocean atlantic ocean