A pharmaceutical company hypothesizes that Chemical X prevents the common cold. It signs up a group of 16,000 volunteers to test out Chemical X. The company divides the volunteers into four 4,000-person groups, each of which takes a pill with different amounts of sugar and Chemical X. The results are shown in the table. RESULTS OF TRIAL Group Amount of Sugar in Pill (g) Amount of X in Pill (g) % Reporting Colds 1 5 0 20 2 5 1 19 3 5 3 22 4 5 9 21 Which statement best describes what can be concluded from the results?

The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards.the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote

Match the pollutants. 1. a chlorofluorocarbon smoke 2. a biodegradable organophosphate insecticide freon 3. particle pollution paint 4. hazardous waste monoxide 5. carbon is completely burned malathion 6. carbon is incompletely burned dioxide

Which of these transport mechanisms moves glucose from the blood into a cell? active transport diffusion facilitated diffusion osmosis