Answer: Cardiovascular System
Explanation:
This involves your heart, blood, veins, and arteries
Answer: true
Explanation: Electrons orbit the nucleus of an atom the way that planets revolve around the Sun. The electrons are like the planets in the solar system. The sun is like the nucleus in the solar system. The answer to the question is true.
The answer is: To see how fast hydrogen peroxide decomposes into water and oxygen.
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The salt is a solid compound and is considered the "Solute" of the solution.
