Viruses can multiply very quickly, and so they can go through natural selection at a much quicker rate, allowing certain vaccine resistant mutations to take over a population.
Cough, runny nose, inflamed eyes, sore throat, fever, and a red, skin rash.
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Global warming is a change in the earth's climate which makes it heat up. While the greenhouse effect is a natural process that always is happening because of sunlight and the atmosphere.
I hope this is easy enough.
Answer:
too long don't wanna read all of it
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plus cod vanguards just came out going to play that game 24/7
Answer:
en los seres humanos se desarrollan en el útero
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