Which of the following elements is not included in pesticides ?? option

nitrogen
hydrogen
carbon
oxygen

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.

Idon’t know how to solve this question

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough