Answer: Models are used to see objects that too small/large to see, or events that occur too slowly/quickly and processes that are too complicated or dangerous.
Explanation:
Models are used so that they can be studied since the original thing being looked at can't be used for various reasons. Models are easier to use and can be studied at length by scientists, doctors, etc. Many atoms, cells, and isotypes are studied in school using models to learn from. A model can be made of clay, metals, wood, and sometimes food is used in a school setting to study the inside of a cell.
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The upper body has the least and the feet have the highest
Answer:
Thank you!
Explanation:
I hope everything is going well for you as well, please take care of yourself! (:
Answer:
Natural factors of population change can't be swayed by humans. So for an example of a natural factor take an Earthquake. As of right now we can only predict when Earthquakes will. Inevitably some things will still get damaged and that just can't be helped. An Artificial factor for population change is something specifically made by humans. For an example take a genocide. If some guy decides he wants to go on a killing spree, well all I can say is that is Definitely not natural. Hope that helped.