The answer is A, earthquake. Typically, tsunamis can form after an earthquake. This happened in Indonesia a couple of times. I hope this helped! :-)
Answer:
Without oxygen, life on Earth would not exist as we know it. It has provided the supercharged air that has fuelled an explosion in the diversity and size of all living organisms, from the smallest shrimp to the biggest dinosaur
Vacuoles provide temporary storage of food, enzymes, and waste products in a cell.
The sugar levels drop because photosynthesis cannot happen at night
