8.How long is a day? A year?

Which of the following correctly describes the early view of catastrophism?

A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm

Explain earth's motion, using the terms "precession" and "rotation" in your answer.