Is there an attachment because it depends on the element.
The answer is number 1 - energy is emitted
Energy is released when an atom in an excited state returns to the ground state.
You kind of need to show more, but the independent variable would be something that you are changing to then measure the reaction, like the time left in for example.
As glaciers melted at the end of the last Ice Age worldwide sea level increased immensely and river plains were flooded. Glaciers are floating bodies of ice. Ice is frozen water. When glaciers started melting water that had been frozen for decades or centuries was released back into the ocean. That lead to an increase in sea level. This also led to river plains being drowned/flooded. Therefore, the answer is 1 and 2.
Answer:
D
Explanation:
The atomic number is the amount of protons in the nucleus of every atom in a specific substance
Hope this helps!
