Question

1. why do cheetahs run fast?

they travel into space. they send space probes.
they are vehicles. they can carry a lot of people.
they grow big. their twigs and sprigs are green.
they have long legs. their claws grip the ground.

Explanation:

The question asks about the reason cheetahs run fast. The correct option must relate to cheetahs' physical adaptations for speed. Long legs increase stride length, and gripping claws provide traction—both are key speed-related traits of cheetahs. The other options describe unrelated entities (space travel, vehicles, plants).

Answer:

They have long legs. Their claws grip the ground.