Two campers were in the woods over the week-end. They both had canned soup with them. Pete heated the can without venting it and it exploded, while Dan opened his can and heated it over the fire with no additional problems. Which camper didn't observe that as the can heated up, it might have exploded?
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Answer: Dan

In an area east of the Rocky mountains, there are seasons of heavy rains and times of the year where it experiences sever droughts. This year the area has received record breaking amounts of rain. Given a scientist is studying a desert with no rain all year, will he find the effects of weathering are high or low?
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Answer: low

In his chemistry lab David is experimenting with how NaOH and HCl gas reacts with each other. He conducted two experiments, experiment A and experiment B. In experiment A he used solid pellets of NaOH, but in experiment B he used ground NaOH. He was surprised to see the difference it made in his experiment. In which experiment the interior hydorxide ion would not be exposed?
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Answer:
experiment A