Plz help me it a timed test

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

2. if someone had the list of traits you provided in question 1, do you think he or she would be able to find you in a group of 1000 people? why or why not? if not, what other information encoded in your genes might distinguish you from the others in the group? what are other traits that are encoded for by dna?

9. the history of life on earth is recorded in