The advantage of the mRNA vaccines is that they don't use your body's own immune system.
<h3>What is mRNA vaccine?</h3>
The mRNA vaccine makes use of the messenger RNA to trigger the body into an immune response. This occurs by instructing the cells to make a protein that is similar to that of the attacking agent.
Thus, the advantage of the mRNA vaccines is that they don't use your body's own immune system.
Learn more about mRNA vaccine:brainly.com/question/23134032
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Answer:
Because developed countries usually rich, high levels of production require efficient production in factories
Explanation:
D. <span>social activities, such as team sports, promote exercise. this is the only question in which it says why as in promoting exercise, the other answers do not specify</span>
