A light-year is approximately 9.2 x 1012 kilometers. How long would it take an interstellar rocket traveling at a speed of 3,600 kilometers per hour to travel a distance of one light-year?

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?