It's important because, you need to a valid source for a health situation. It could cause more than good if you don't know if the health source is not true.
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:
The independent variable is <u>sports drink</u> and the dependent variable is <u>amount of energy</u>.
Explanation:
In regression analysis there are two types of variables.
One is the dependent variable and the other is the independent variable.
A dependent variable is the variables under study. That is the variables that is being observed for any changes when the factors affecting the dependent variable is changes.
An independent variable is the variables that is changed to determine the changes in the dependent variables. There can be more than 1 independent variable in a regression analysis.
In this case an experiment is conducted to determine the affect of sports drink on the energy of the players.
The experiment consisted of giving some players water and some sports drink. Then the players were asked to watch a basketball game on TV for 30 minutes. Then they were asked to perform some physical tasks. The efficiency of the players were then observed.
In this case the dependent variable is the energy of the players and the independent variable is the drink they had, either water or sports drink.
First degree burn which are very mild