What basic trigonometric identity would you use to verify that sinx+1/sinx=1+cscx.

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.

Astudent randomly draws a card from a standard deck and checks to see if it's his favorite suite he then returns the cards to the deck

Emmanuel has had a sharps exposure at work and has reported the incident, his employer has offered him an immediate confidential medical evaluation and follow-up care. what can he expect from the exam?