Answer:The Earth’s revolution and tilt cause the cycle of the seasons on Earth.
Explanation:
In addition to possibly releasing harmful chemicals in the environment, mining is considered B. The most dangerous job in the United States.
The energy carried by the incident light is
where h is the Planck constant and f is the frequency of the light. The threshold frequency is the frequency that corresponds to the minimum energy needed to eject the electrons from the metal, so if we substitute the threshold frequency in the formula, we get the minimum energy the light must have to eject the electrons:
Answer:
Explanation:
Electrical energy is the correct answer
answer is 3 >
3x this the correct answer