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

If we review the changes in the landscape surrounding the great salt lake in utah we can see a change in topography. look at the area to the south of the lake. what changes occurred during the last twenty-nine years? a-erosion of the hills b-an increase in marshland c-flooding of the area and the development of wetlands d-deposition of sediments and an increase in elevation