According to the online content article about days and nights on earth, why does the length of a day change throughout the year? a. because the sun revolves around the earth b. because the earth’s axis is tilted c. because it takes a year for the earth to rotate once d. because the earth’s orbit is not elliptical

According to the online content article about days and nights on Earth, why does the length of a day change throughout the year?

A.  because the Sun revolves around the Earth

B.  because the Earth’s axis is tilted

C.  because it takes a year for the Earth to rotate once

D.  because the Earth’s orbit is not elliptical

the only other powers were germany russia and uk and they were too busy fighting each other wearing each other down   that the us was becoming strong and they were becoming weaker