Answer: External forces are forces caused by external agent outside of the system. Internal forces are forces exchanged by the objects in the system. To determine what part should be considered external and internal, mechanical system should be clearly defined.
Explanation:
One main effect of the global catastrophes was the rising temperature, also known as global climate of the earth surface.
<h3>What is a green house effect?</h3>
This is a natural process that happens when the gases in Earth's atmosphere trap the Sun's heat.
Therefore, the main effect of the global catastrophes was the rising temperature, also known as global climate of the earth surface.
Read more about green house effect
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A. Buddhism, Confucianism, and daoism
Some of the benefits of river Nile is that it has very fertile flood plains resulting from seasonal floods along the banks. But although Nile river has countless benefits or advantages. Such as:
Used for washing clothstransportationIrrigationfarmingAnd reeds that grew along the banks called papyrus. They are used for writing thing in the ancient times.
If the pacific ocean is one of the options, It is the Answer. It is the largest body of water in the world