Answer:
Earth's gravity is strong enough to hold onto its atmosphere and keep it from drifting into space.
The balloon would be smaller and not float as well because of the low temperature. The particles in the balloon when in the car will slow down and get closer together because of the low temperature. That caused it to become more dense and smaller in size then before. When in the store, the particulars in the balloon we’re moving faster and more spread apart
Answer:
burning of wood ,cooking an egg,baking a cake,rusting of iron,digestion of food .
1s^2 2s^2 2p^6 for the Mg2+ ion.