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

Do stairs go up or down? do stuttering people stutter when they’re thinking to themselves? do they bury people with their braces on? do they have the word “dictionary” in the dictionary? do you yawn in your sleep? do your eyes change color when you die? how can something be “new” and “improved”? if it’s new, what was it improving on? how come only your fingers and toes get wrinkly in the shower and nothing else does? how come you never see a billboard being put up by the highway? how do you handcuff a one-armed man? how far east can you

Gneiss is formed. the mineral grains in which granite are flattened under pressure

Asafe and responsible driver must have a. a positive attitude towards driving b. a friend in the car to navigate c. a gps system d. the ability to drive aggressively