Amedical experiment is planned to compare the herb echinacea with a placebo for preventing colds. one response variable will be "volume of nasal secretions" (if you have a cold, you blow your nose a lot). suppose the average volume of nasal secretions in people without colds is 3. an increase to 4 indicates a cold.

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