How many credits of Science is a student required to take in the Foundation Graduation Program?

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.

The different layers of gases that extend form the surface of the earth into space

Fred bought 5 new baseball trading cards to add to his collection.the next day his dog ate half of his collection. there are now only 42 cards left. how many cards did fred start with?