Vaccines are used to prevent infections, usually viral.
Some antibiotics act by killing bacteria.
Answer: You can monitor your exercise intensity by using any of the three main test methods: measuring your heart rate, doing the talk test, or checking your rating of perceived exertion
Explanation:
Answer:
B. Modifying the rules
Explanation:
The answer is not A because there's no rule that the team must be rotated.
As for increasing or decreasing the difficulty, it is really subjective to the point of view of each team.
Therefore, the answer is "modifying the rules".
Most likely, the person suffers from an ectopic pregnancy.
Symptoms include abdominal pain, and vaginal bleeding.
During the "ectopic preganancy", the embryo attaches outside the uterus.
Answer:
Heredity.
Explanation:
When genetics are passed from one generation to the next, this is heredity.
