PLEASE HURRY ASAP. FOR A QUIZ Which of the following statements is true?

A. The Earth spins from east to west. .

B. Differences in the length of day and night are caused by the Earth's tilt.

C. The Earth's orbit around the sun is a perfect circle.

D. Lines of latitude are used to divide Earth into 24 time zones.​

Read the following scenario to answer the following question. over the past 60 years, many amphibian species have experienced significant population declines, and some species have become extinct. scientists suspected that local human activities such as the destruction of wetlands, regional pollution, and deforestation were the main reasons for these losses. however, research over the past 20 years reveals significant amphibian population declines in protected areas of the world, such as nature preserves and parks. these global declines suggest widespread problems including increased ultraviolet radiation, acid rain, and disease. in switzerland, for example, 14 of the 20 native amphibian species are threatened with extinction. when most populations of a wide-ranging amphibian species are lost and the few remaining populations are widely separated, we expect to see that a. the founder effect becomes increasingly important b. microevolution no longer occurs c. gene flow between populations is reduced d. artificial selection becomes a greater factor in microevolution

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

Arepair man charged $93.06 the price included 2 hours of labor and 40 service charge how much does the repairmen charge per hour for labor?