A knife manufacturer visits your business to show his product line. He claims that the most popular material for knives is indus
trial fiber. However, your partner claims that rosewood is the preferred choice. Who is correct? A. Your partner is correct.
B. The manufacturer is correct.
C. Neither the manufacturer nor your partner is correct.
D. Both the manufacturer and your partner are correct.
Because if you change two things then you do not know which one has affected or altered the dependent variable. if you only change one then you know what exactly changed and why
Explanation: Volume versus Temperature: Raising the temperature of a gas increases the average kinetic energy and therefore the rms speed (and the average speed) of the gas molecules. Hence as the temperature increases, the molecules collide with the walls of their containers more frequently and with greater force.
