gina wants to find out if the temperature of water affects the solubility of a material. here are the variables in her experiment. she get three containers of equal size and labelled them A, B and C. then pour 50ml of hot water in container A, 50ml of lukewarm water in container B, and 50ml of cold water in container C, she then pour 1 teaspoon of salt in each container and stir it fo three minutes. then observes the result
Physics
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