Sedimentary rocks are described as small pieces of rock and animal remains that are weathered, swept downstream and then settle, forming a layer. a. true b. false

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.

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false

Can someone me with 3 and 4 plz. this is for masteries test.