Answer:

Explanation:
1. First take the cylinder volume formula:

2. Then take the values for the radius and the height of the cylinder and replace them into the formula:

3. Solve the equation:



<span>c. Passing electric charge through the reactants Is the answer to you're question.
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Answer: The answer is Land heats up and cools down faster than water. I hope this helps! Have a wonderful day(:
The mass of Hydrogen is 2 g/mol
The mass of Helium is 4 g/mol