Which of the following is an example of chemical weathering? A . Rock grinded away by other rocks in a stream bed
B. Ice freezing and thawing in cracks
C. Waves beating on the shoreline
D. Dissolving of rock due to acid rain

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.

Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

Non renewable resources like petroleum eventually