1) The length of one day on Earth is determined by how long it takes
Athe moon to revolve once
Bthe moon to rotate once
CEarth to rotate once
DEarth to revolve once
2) Approximately how long does it take for the Earth to make one orbit around the sun
Aone day
Bone month
Cone year
Dnone of above
Athe moon to revolve once
Bthe moon to rotate once
CEarth to rotate once
DEarth to revolve once
Aone day
Bone month
Cone year
Dnone of above