The body recognizes after the body has been presented with or dealt with the pathogen before. the immune system defends against pathogens and the immune system then after recognizes the pathogen when the pathogen has been killed. the pathogen is recognized through the proteins presented on its surface. vaccinations contain pathogens but in small amounts in which the body can control and defend against, after the body has killed the pathogens it will later recognize it and defend better
Answer:
The answer is B because its just your total distance so for your to get your displacement you would add the two distance together then that answer would be you displacement
To make sure that the hypothesis is correct.
Answer:
B. They are fraternal twins.
Explanation: Identical are twins that look alike and are then same
Fraternal twins are twins that don't look alike and aren't the same.
Because I have a twin and we're not identical because he is a boy.
