Question

which of the following is needed for a balloon to fly safely? a passengers b a fan c tools d bright colors

Explanation:

To determine what's needed for a balloon to fly safely, we analyze each option:

• Option A: Passengers are not essential for the balloon's safe flight (a balloon can fly without passengers).
• Option B: A fan is not related to a balloon's flight mechanics (balloons rely on buoyancy from lighter - than - air gases, not fans).
• Option C: Tools can be used for maintenance, repairs, and ensuring the balloon is in proper working condition before and during flight, which is crucial for safety.
• Option D: Bright colors are for visibility or aesthetics, not for the safe operation of the balloon's flight.

Answer:

C. tools