Is this a complete sentence? Diphtheria is rare in North America and Europe, it's still common in countries without readily available vaccinations.

y e s

Explanation:

the penalty for defying creon's decree is death, as can be seen in the tragedy. if you do obey him however, all is forgiven

the boy's acceleration toward the girl is 2.08 m/s^2.

explanation:

according the newton's third law, the force causing the girl accelerate towards the boy will be me with equal counter-force causing the boy to accelerate towards the girl. these forces will be of equal magnitude and allows us to determine the boy's acceleration:

the boy's acceleration toward the girl is 2.08 m/s^2.