The crystals will not be oxidised since it will be underground
Electrons (negative charge, and orbits the nucleus), Protons (positive charge, and is in the nucleus) and Neutrons (no charge, and is in the nucleus)
Explanation:
Simple cell has liquid chemicals and it is difficult to carry from one place to another. Dry cell has no solution. So, it is easier to carry it from one place to another and there is no risk of spilling acid from the dry cell.
<span>when adding a few drops of base causes a large increase in pH</span>
Till now we are able to find
a) How does the moon affect tides on earth? : the answer is moon gravitational field
b) How long does it take for the earth to rotate on its axis? : we know the answer is 24 hours (a day)
c) Why do volcanoes erupt? : due to divergence / convergence of tectonic plates
However we still cannot predict "When will the next earthquake happen?" based on science