Sarah carried out an experiment to test a hypothesis. some of her data supported the hypothesis, but some refuted it. what is the best thing for sarah to do next?

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.

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

The reactions of photosynthesis occur in the of plant cell? a. mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll