Through which of these will light waves travel with the greatest speed? PLZEXPLAIN Y THE ANSWER IS CORRECT a. Air
b. Glass
c. Vacuum
d. Water

What are chlorofluorocarbons made of

1. which of the following is correct regarding opiates/opioids: a. they all have a natural component as a starting pointb. they have low addiction possibilitiesc. methadone binds to some of the same receptorsd. a and care correcte. all are correct

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry