During which year was the population of the united states about 150,000,000? a. 1930 b. 1940 c. 1950 d. 1960

The correct answer is "C.) 1950"

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.

it is either c or d and i know for sure it is not a or b