What is a common communicable disease that does not start as a respiratory infection?
a. hepatitis a
b. pneumonia
c. tuberculosis
d. common cold

Ihave a really high metabolism and only weigh 70 pounds (13 almost 14). people always ask me two questions: do you ever eat and how do you eat so much and stay so skinny.i am worried that a high metabolism wont me forever. what are some safe steps i can take to maintain being fit. (also, i already work out i am a dancer so i get cardio a lot)

What three factors shape our personality

Which a hammer strikes a compound formed by covalent bounds