Answer:
Nevertheless, the thirst for development and money might have driven us too far that we forgot fossil fuels represent a nonrenewable source of energy. They are very useful indeed, but our planet holds limited resources of fossil fuels. Most likely, when we would have explored all of them, we would be forced to use renewable sources of energy. Therefore, wind power, solar power, and hydropower will become more popular than we think now.
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Answer:
Ciliated is the cell that moves dust particles out the body
Explanation:
Terrestrial planets include all of the inner planets: Mercury, Venus, Earth and Mars
Gas planets include outer planets: Jupiter, Saturn, Uranus, Neptune
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Answer:
Length of the string that is tied to the pendulum
Explanation:
Galileo Galilei was the first scientist to contribute the pendulum theory, and according to this theory, the pendulum moves back and forth in a continuous process, under the influence of gravity and thereby attains the momentum. This pendulum is hanged at one end with a string, and is allowed to move back and forth by applying a little force.
The time taken by the pendulum in order to complete one cycle is directly dependent on the length of the string.