Early sailors discovered a gradual change in position of the north star. this discovery to prove that a. earth rotates on its axis. b. earth is round. c. earth is approximately 40,074 kilometers in circumference. d. earth is flat at its poles.

Fill in the blank with the correct form of the imperfect tense. the children and i (watch) tv.

Ireally, really need with this asap. i don't understand spanish prepositions and when they should be used. the questions are:fiesta con juan el fin de semana pasado. el parque está casa. es una lástima que haya tantos lago. el jefe quiere inmediatamente. the answers can be one of the following: en, con, de, a i will award !

Why do parents think they know everything even if they havent done it in 7+ years. ()no offince to parents on here)