Answer:
Half-life is that the quantity of your time occupied for half the preliminary material to fragment. Therefore the nuclide with smaller half-life fragments over the nuclide with the lengthier half-life. Therefore nuclide A fragments a lot of manufacturing extra beta emissions than nuclide B. therefore nuclide A harvests the larger emission experience.
Answer:
4600-4500 million years ago, the Earth formed and its crust cooled to become solid. 4500-4400 million years ago, the oldest known thing to have formed on Earth, zircon, formed along with solid crust and oceans. 4200-4100 million years ago, the close of the Hadean Period (there are no surviving rocks).
I think that fish meal is better than artificial fertilizers.<u />
False - they are not equally effective