a specific hypothesis to test with a controlled experiment
Bohr changed the model of the atom by proposing that electrons travelled in circular orbits with specific energy levels.
Answer:
0 net force it is balanced
Explanation:
If the amount of force is the same on both sides the net force equals 0
Answer:
The first person to go to the moon
Explanation:
Neil Armstrong was the first person !
heres more info on NASAs page!
https://www.nasa.gov/audience/forstudents/k-4/stories/first-person-on-moon.html