The answer that sounds most correct would be: B) Open back and sufficient tread.
Answer:
Vaccines have been around since 1796 preventing people from diseases and decreasing death rates. I believe due to the modern vaccines and medicine people have been living longer than life expectancies in the 1700's and 1800’s, which was between 30 and 40 years. Vaccines train the human body to recognize viruses or bacteria and the antigens (molecule capable of inducing an immune response) will start attacking the virus or bacteria before it tries to spread and cause sickness once it is has recognized it. However, vaccines are not always 100% safe because they can come with side effects. For example, the Hepatitis B vaccine had a severe allergic reaction, called anaphylaxis which caused difficulty breathing, dizziness, and skin rashes for a few people.
Answer:
F
Explanation:
It is important for the body to have a<em> 24-hour recovery period</em> after an exercise<em> (low-intensity or high-intensity).</em> This period will allow the body to rest and it will also allow you to get your energy back and<u> do even better the next time you work out; thus, it should never be skipped. </u>
It prevents the possibility of getting your muscles strained due to overtraining. Aside from this, a recovery period of 24 hours will also help in repairing your tissues and give you a psychological recuperation.