<span>more lines = a lot of electrons returning back to ground state from same level</span>
<span>Earth (and hence the observer) moves.</span>
The correct answer is B because isotopes have different numbers of neutrons, and neutrons are located in the nucleus
Hope this helps
Answer: B
Explanation: the teacher just told us the answer
Answer:
The requested distance is 4320 meters
Explanation:
We can use the formula for velocity in this movement at constant velocity (v), which is defined as the quotient between the distance covered divided the time it took:

Since we know the velocity and the time, we can solve for the distance:
