C. nervous system, because its triggers
Answer:
The S.I unit of heat is Joule .
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Explanation:
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Answer:
Blood is a homogenous mixture
Answer:

Explanation:
The constant speed means that ball is not experimenting acceleration. This elements is modelled by using the following equation of equilibrium:


Now, the exerted force is:

The volume of a sphere is:



Lastly, the force is calculated:

