Name three sources of atmospheric carbon dioxide.

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

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.

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division