Emma drinks water from a glass using a straw. Which of these best describes how the fluid moves from the drinking glass to Emma’
s mouth? A.
Emma creates a pressure difference allowing the fluid to flow.
B.
Emma creates a temperature difference allowing the fluid to flow.
C.
Emma creates a change in the state of the fluid using the straw.
D.
Emma creates wind which gives kinetic energy to the fluid.
Your answer is C forms of the same element that differ in the number of neutrons in each atom because if the number of neutrons change the whole element changes.