Will give the brainliest to the fastest and smartest answer!

what is responsible for the pattern of ocean currents?

a. differences in water temperature

b. differences in water salinity

c. earth's rotation

d. differences in water density

the wires in the toaster turning red and the toast crisping and turning brown

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.