Which star is larger in size? Pollux or Polaris

PLEASE HELP!!

What are advantages and disadvantages of taking troops out of siria?

The layers of earth are based on what two sets of characteristics?

Mexico city is an example of how humans alter their environment because it was a. one of the world’s largest cities b. built on drained and filled lake beds c. built after conquest by the spanish d. once the capital of the aztec empire