Question

Why does helium balloons fly away if you let go the string ?give a simple answer?​

Answer 1

Answer:

Helium is lighter than air.

Explanation:

Helium is too much lighter than air. So if you let go of the string, Helium balloons will float away in the air.

Answer 2

Answer:

Helium balloons can fly when you leave the string because

• it is lighter than air