TB is highly contagious and can be transmitted from an infected person to an uninfected person, mainly when a person with TB coughs, sneezes, speaks, or even sings (known as airborne transmission or airborne disease). Other people who breathe in the aerosolized bacteria can become infected.
<span>Selective breeding is when humans take certain organisms and breed them in order to produce desirable or beneficial characteristics (phenotypes).</span>
Answer: your not in shape or your either unfit or unhealthy
1. A (keeping the severed part alive)
2. C (teens usually fight because of bad past)
3. C (always knowing the right thing to do at all times)
i think it is exercise i'm not sure. <em>I</em>'m in wellness class too if this is <span>a edgenuity question.</span>