One of the best ways to avoid injury while biking is to a. bike only during the morning hours. b. continuously switch gears so that you don't add stress to your muscles. c. make sure that the positions of the bike seat and handles are appropriate for your height. d. pedal as quickly as possible when attempting to go uphill.

The correct answer is C. make sure that the positions of the bike seat and handles are appropriate for your height. If the seat is too high you can fail to reach the pedals and fall or if it's too low you'll put a high strain on your knees and you'll get injured and exhausted more easily. Setting it up properly is an extremely important thing.

Answeradults have more control over their lives;