Which would most likely result in a long-term injury?
jumping off a wall.
swimming in designated areas
playing in a controlled environment
wearing a new helmet when bicycle riding

A correct answer is an option- jumping off the wall.

Explanation:

Long term injury can occur due to anything that is not safe and not done in a proper way such as jumping off the wall is not safe and can cause brain, limb or another type of injury.

Another option except jumping off the wall is safe as performed in a controlled environment and designated area with proper gear.

Thus, the correct answer is - jumping off the wall.

blood alcohol concentration is affected by factors such as body size and gender.

( i saw this one before)