Here's a picture of all the phases:
The correct response would be C. Zygote. Each of the gametes containing half of 50% of the genetic information and or chromosomal content from their respective parents will combine together to essentially produce a diploid chromosome number organism. An organism that would have both complete copies of DNA from each parental organism.
The answer is A, earthquake. Typically, tsunamis can form after an earthquake. This happened in Indonesia a couple of times. I hope this helped! :-)
Organisms need nutrients to b. carry out essential life functions