One of the challenging topics in Ms. Harrison's experiment was how the air:
A) had weight.
B) took up space.
C) had volume.
D) had atoms.

Question

One of the challenging topics in Ms. Harrison's experiment was how the air:​
A) ​had weight.
B) ​took up space.
C) ​had volume.
D) ​had atoms.

Quizplus · Accepted Answer

Ms. Harrison's experiment dealt with the concept of air pressure, which is caused by the weight of the air molecules pressing down on a surface. This means that air does have weight, and was likely one of the challenging topics in her experiment. The other options (B, C, and D) are also true of air, but may not have been as relevant to her experiment.

One of the Challenging Topics in Ms