1. Predicting when an earthquake will occur is known as
|_energy is what gathers in a fault through strains.
3. When owners of established buildings take the initiative to reinforce existing structures so that
they can withstand severe earthquakes, they're participating in
4. A tsunami in Japan caused a meltdown of reactors at

3)Eukaryotic cells have membrane-bound organelles. They have a nucleus. They are usually found in animals and plants. In all multicellular organisms and some unicellular(amoeba)

4)Prokaryotic cells don't have a nucleus. They don't contain membrane-bound organelles they only contain ribosomes.They are much smaller. Bacteria are prokaryotes.