Why was longitude so difficult for seafarers to measure before the eighteenth century?

Want free points + brainliest? answer this question correctly and i got you what must you do if you own or operate a vehicle in florida? a. carry at least $50,000 in pip coverage b. maintain insurance with a gap of no more than five days c. carry proof of insurance whenever you drive d. carry proof of residency at all times

Hurry: the angle measures associated with which set of ordered pairs share the same reference angle? (-square-root 3/2, 1/2) , (-1/2, -square-root 3/2) (1/2, -square-root 3/2) , (-square-root 3/2, 1/2) (-1/2, -square-root 3/2), (1/2, square-root 3/2) (square-root 3/2, 1/2) , (1/2, square-root 3/2)

According to the nebular theory, the planets formed from a process called . after our protosun formed, remaining dust and gas from the nebula collided, combined, and gravitated together to form the planets.