How do Rosa’s body systems work together to get the molecules she needs into her cells for her to go running? (Include circulatory, digestive, respiratory, nervous, excretory, and musculoskeletal systems.

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

Which is true according to the law of conservation of energy

All chemical reactions use reactants in a specific proportion or stoichiometry to form products. the reactant regulates the amount of products produced. a) excess b) limiting c) proportional d) stoichiometric