All the sciences you can take, especially AP bio. :)
Answer:
d keep their expenses below their income
Historians rely on primary sources because these sources because it provide eyewitness account of events
The placebo effect is a procedure in which a patient is made to believe that a drug has a direct on the person. Therefore improving his/her symptoms from the said disease that he/she is experiencing. It is directly injecting or making a procedure using alternatives. The idea is that the patient would believe such measures were done and that they will be cured from their diseases. There are no video clips available on you questions but I hope this helps.
It was the Cuban Missile crisis which made great tension between the USSR(Now called Russian Republic) and the United States. As Cuba was very close to Florida, Kennedy was worried that Russia was shipping nuclear warheads and missiles into Cuba. I hope this help!
