How can food preparation affect how many calories are in a meal?

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The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the dependent variable in galileo's experiment?

The effects of tobacco use on society include high taxes and loss of life. select the best answer from the choices provided. t f