Exothermic reactions release heat into their surroundings and endothermic reactions absorb heat and are cool. I believe the correct answer is D.
In the 1997 movie called, Flubber, the professor used an organic catalyst and a little touch of electricity to make flubber. The organic substance is not known.
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Answer:Ithink erosion cuz if we can tell how long ago it eroded we can see how old it is
Explanation:
