Did kidneys are organs in the human body that have multiple functions one critical function is to maintain the ph of blood at a precise level what biological process involves the maintenance of a constant internal environment

When should a bar graph be used? a. when there is no independent variable. b. when the independent variable is continuous and does not show a relationship to the dependent variable. c. when the independent variable is continuous and shows a causal link to the dependent variable. d. when the independent variable is composed of categories and does not show a relationship.

Which of these statements are true about scientific theories and hypothesis

Why do mountaineers become breathless as they reach high altitudes