A day and night on mars lasts nearly 25 earth hours. explain why there is day time and night time on mars science

Aquarterback pedals 3.3meters southward and then run 5.7meters northward. whats the distance ? and whats the displacement?

An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1.33 -1.33 +0.75 -0.75

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.