Why can you get the flu (influenza) multiple times, unlike most other viruses you only get once? a. your body does not form antibodies against the flu. c. the influenza virus mutates each year. b. influenza is not always caused by the same type of virus. d. the flu is not a true virus.

Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis

Which layer will become saturated first when rain falls?

1. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 50%25%0%100% 2. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 0%100%50%25%(picture 1 is for question 1, and picture 2 is for question 2)