Conclusion: medicine a is an effective treatment for the common cold. a study was conducted to test the effectiveness of medicine a. which question would in determining whether the conclusion above is valid? a. how many people in the study had the flu? b. how many people were included in the study? c. what was the average age of the people in the study? d. what was the most common occupation of people in the study?

Large electric fields in cell membranes cause ions to move through the cell wall. the field strength in a typical membrane is 1.0 x 10 7 n/c. what is the magnitude of the force on a calcium ion with charge +e? what is its acceleration? is it possible for a particle with the same charge as as calcium to have a different acceleration if placed at this location? what would change the acceleration: mass of the particle? diameter of the particle?