PLEASE HELP: Which of the following would go in the center circle if you were making a web outline about pollution?
Carbon emissions
Causes of pollution
Nuclear waste
Oil spills

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.

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Match the mixture with the substance// i really need on this guys (it’s a pic btw)