A student is conducting an experiment to see which type of bubble gum has the longest lasting flavor. The student will be testing brand A and B and timing how long it takes for the flavor to go away. Both gums are flavored as peppermintWhat is the dependent variable of this experiment?

Plz asap read this sentence from paragraph 3 of the article. the boys and girls are merely asked to obtain the signatures of ten friends or relatives. how does the word "merely" affect the meaning of the sentence? a- it suggests that asking people to subscribe to the washington times is something negative. b- it implies that obtaining ten signatures is not a requirement for receiving a prize. c- it downplays the fact that to win the prize, children must ask people to subscribe to the washington times. d- it emphasizes that children receive the prize only if they obtain ten signatures.