The end or finish of an event or process.
An old sandwich rotting in a trashcan and building a tower out of magnetic blocks both are undergoing chemical changes.
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What are chemical changes?</h3>
Chemical changes are said to occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances.
Examples of chemical changes include burning of wood, cooking of pasta, rusting of metal , and rotting of sandwiches.
In conclusion, chemical changes involve the formation of new substances while Physical change is a temporary change.
Learn more about chemical change at: brainly.com/question/19794032
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The complete equation is: 92238U --> 90234Th + 42He
This type of radiation is alpha decay in which an alpha particle is a Helium nucleus with 2 protons and 2 nuetrons. This nucleus/alpha particle(s) are released to stabilize the radioactive atom, in this case, the 92238Uranium.
Medium stars become dwarf stars, large stars become either neutron (pulsar) stars or black holes
B or D I hope this answer helped you out a little bit. Both are important parts of the body in anatomy