As a helium-filled balloon rises in the air, it becomes
A) heavier.
B) more dense.
C) bigger.
D) all of these
E) none of these

Name: As a helium-filled balloon rises in the air, it becomes A) heavier. B) more dense. C) bigger. D) all of these E) none of these
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Question

Quizplus · Accepted Answer

As a helium-filled balloon rises, the atmospheric pressure decreases, allowing the helium gas inside the balloon to expand. This expansion makes the balloon bigger.

As a Helium-Filled Balloon Rises in the Air, It Becomes