Which of the following is formed by the union of the internal jugular and the subclavian veins

One of the methods used to reduce energy use is: a. energy efficiency c. energy conservation b. energy reservation d. energy holding select the best answer from the choices provided a b c d i know the answer is not option a

9. wind power creates pollution. water air soil noise

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.