Q: Fact 1: Smoking tobacco decreases stamina. Fact 2: An added benefit is increased stamina and aerobic capacity. Given the two facts above, smoking tobacco decreases?

Options:
1). aerobic capacity
2). growth hormone
3). Abnormal cell growth
4). Greenhouse gasses
5). survival
6). kinetic energy
7). insulin production
8). testosterone
The answer is:
1).