Which of the following is true? a. Even when an exemplar is well understood, evidence suggests that prototypes might work better. b. The processes in which prototypes and exemplars are used are very different. c. Exemplars provide a better way of thinking about the variability of a category than prototypes. d. In both exemplars and prototypes, dissimilar objects will be included in a concept and similar objects will be excluded.

2. how does the miller-urey experiment fall short of demonstrating that life can arise from inorganic molecules? explain. a. it doesn't show a leap between a collection of amino acids and a single-celled organism. b. it recreates the conditions that existed at the earth's beginning, but no molecules form as a result. c. it doesn't provide evidence of the formation of amino acids. d. it doesn't show how multicellular organisms developed from unicellular organisms

Anurse is preparing to administer ampicillin 500 mg in 50 ml of dextrose 5% in water (d5w) to infuse over 15 min. the drop factor of the manual iv tubing is 10 gtt/ml. the nurse should set the manual iv infusion to deliver how many gtt/min? (round the answer to the nearest whole number. use a leading zero if it applies. do not use a trailing zero.)

In each transformation of energy , some energy what?