An astronomical unit (au) is the average distance between earth and the sun. One au is equal to approximately 150,000,000 km. Astronomers also use light years to measure distance. A light year is approximately 9. 5×1012 km. Use scientific notation to rewrite the measure of one astronomical unit (1 au) in kilometers.

Mount saint helen the great lakes and death valley are physical features of the earth which scientific term describes these features

Apopulation of deer mice was introduced into a desert ecosystem. being dark-colored, the deer mice stood out in the sand and were easy prey for predators. over a few years, the color of the mice changed from dark brown to light brown. what role does natural selection play in this example? a. the change of color camouflaged them, which them hunt better. b. the change of color enabled them to regulate their body temperature. c. the change of color allowed them to hide better from predators. d. the change of color made their bodies tolerant to the harsh desert sand. e. the change of color allowed them to deflect the excessive heat.

Aside form a students id, what is another card a collage student use to obtain discounts