Which of the following is an appropriate scientific hypothesis?
A) Bad people catch more colds than good people.
B) Cold viruses should be allowed to reproduce just like anything else.
C) It is unethical to go to school when you have a cold.
D) People catch colds because of exposure to cold temperature.
D
You might also like to view...
Upon activation by stomach acidity, the secretions of the parietal cells _____
A) initiate the chemical digestion of protein in the stomach B) initiate the mechanical digestion of lipids in the stomach C) initiate the chemical digestion of lipids in the stomach D) include pepsinogen E) delay digestion until the food arrives in the small intestine
The most medically relevant species of Pseudomonas is P. aeruginosa
Indicate whether this statement is true or false.
Perennials are ________.
A. flowering plants to live for two years B. flowering plants that live for one year C. a type of gymnosperms D. flowering plants that keep on reproducing for many years
What is the partial pressure of oxygen in air at sea level?
A) 160 mm Hg B) 210 mm Hg C) 400 mm Hg D) 60 mm Hg E) 600 mm Hg