Biology, 25.08.2019 10:20 addisonrausch
Chicken pox is a virus that causes an itchy rash but typically does not have any major or lasting effects on an infected person. before 1995, chicken pox parties were popular. in a chicken pox party, healthy children were brought around children who were sick with chicken pox so that they would be exposed to the virus and their immune system would learn to fight it. a vaccine for chicken pox was developed in 1995, and chicken pox parties are now rare. what best describes how vaccines have advanced science?
a)vaccines are more effective on ethnicities that are highly susceptible to a disease.
b)vaccines can determine which genes can cause disease.
c)vaccines can minimize lifestyle choices that allow for greater exposure to a disease.
d)vaccines allow for building immunity without harmful exposure because not all viruses are safe to be exposed to.
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What types of energy transfers and energy transportations are involved in the domino chain reaction?
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Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit
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Chicken pox is a virus that causes an itchy rash but typically does not have any major or lasting ef...
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