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Oral poliovirus vaccine or Sabin vaccine, named for its inventor American physician and microbiologist Albert Sabin, was developed. OPV contains live attenuated (weakened) virus and is given orally.
False is the answer....i remember learning this
Answer:
1) mutations 2) sickle cell anemia. Hope this helps you :)
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Answer:
Invasive species are among the leading threats to native wildlife. Approximately 42 percent of threatened or endangered species are at risk due to invasive species.
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hi the answer is a)rain mixes with soil
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