Answer:
Electrical energy
Explanation:
Electrical energy is caused by the moving of electrons.
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Answer:
The equation for Kinetic Energy is: KE = 1/2 mv2. Kinetic energy has a direct relationship with mass, meaning that as mass increases so does the Kinetic Energy of an object. The same is true of velocity. However, mass and velocity are indirectly related.
Isotopes of carbon or any element
Answer:
0.37 %
Explanation:
Given that:
Calculated density of aluminum = 2.69 g/cm³
Accepted density of aluminum = 2.70 g/cm³

Thus, applying values as:

<u>Percent error = 0.37 %</u>
The answer is A: fleas and cats.