Answer:
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Explanation:
Electrons have a negative charge, so if you give away electrons, you give away negative charge, thus ending with a positive charge.
Sometimes if you have the word per, you need to multiply. In this problem, they are asking you to find the amount of meters a snail can travel per minute.They are giving you the amount of minutes, so in this case you multiply 15 times 0.30. The answer is 4.5 meters.