A black hole forms as a star collapses when it ceases emitting radiation from fusion reactions. This occurs after the star has consumed hydrogen, helium, then through iron.
Star evolution refers to the process by which stars evolve (change) over time.
A black hole can be defined as a collapsed star where the gravitational field in its nucleus becomes greater than particles cannot escape from it.
In consequence, black holes are cosmic bodies in which gravity is so powerful that nothing (i.e., particles, radiation, light, etc.) can escape from them.
Nuclear fusion refers to the energy reactions produced by the fusion of hydrogen at the core of a star, thereby becoming helium.
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<h3><u>Answer;</u></h3>
A. Congress
<h3><u>Explanation;</u></h3>
- <em><u>Article II, Section 1 of the Constitution set up the office of President. It states that the executive power shall be vested in a President of the United States.</u></em>
- The Constitution explains the duties and responsibilities of the President. The President is responsible for the executive branch. The President's main duty is to see that laws are carried out.
- <em><u>The President must take action to solve problems in areas such as civil right issues, transportation needs and safety concerns, with the approval of Congress</u></em>.
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Answer:
potential energy is the ability to do work