Anucleotide contains which of the following functional groups?
a.) sulfur
b.) halogen
c.) carboxyl
d.) phosphate

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

An electrons position cannot be known precisely only it's probability of being in a certain location can be known

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.