Answer:
c) mutation and natural selection both cause changes in a population
Explanation:
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A toaster draws electric current (electrical energy) from a wall outlet and converts these moving electric charges into heat (thermal energy) in the filaments that turn red hot to cook your toast. ... As electricity runs through the filaments in a space heater, the electrical energy is converted into heat (thermal energy).
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Answer:
Since velocity is a speed and a direction, there are only two ways for you to accelerate
Explanation:
change your speed or change your direction—or change both.
The answer is c 1386j
This calculator is very helpful I use it on my homework
https://www.omnicalculator.com/physics/specific-heat
Answer:
52.47706 mph
54.5 mph
Explanation:
The average speed is given by


Julie's average speed on the way to Grandmother's house is 52.47706 mph

Average speed on the return trip is 54.5 mph