Answer:
The rate of reaction of magnesium with hydrochloric acid. Magnesium reacts with dilute hydrochloric acid in a conical flask which is connected to an inverted measuring cylinder in a trough of water. The volume of hydrogen gas produced is measured over a few minutes, and the results are used to plot a graph.
Explanation:
Answer: D. Scientists can come to different conclusions based on the same data.
c) Current cannot flow
Reason: Because the switch is not closed.
C. Yes; a false hypothesis gives a scientist new information to use.
