Explain why a scientist should or should not change a theory based on one experiment?

Which best explains how this maneuver unblock a person's airway?

An easy way to calculate the amount of energy available at each level is to what?

Question 3(multiple choice worth 4 points) (02.04 lc) which best describes the function of chloroplast? allows certa molecules to enter and exit the cell makes food during photosynthesis detoxifies waste products o packages proteins into vesicles