Answer:
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.
Answer:
It is dangerous if directly inhaled, it is not a very abundant energy source and it releases the most toxins when burned i think :))
Explanation:
Explanation:
the rule or reasoning I used to determine the change of how an object floats in the water is that paper can't float in water but blocks and others stuff can float.