Which of the following best explains the importance of earth’s crust to living organisms? a. the continental crust allowed the evolution of life on land. b. the crust provides raw materials necessary for life. c. the crust allowed the formation of fossil fuels. d. the rock cycle recycles sedimentary rocks formed from animal shells.

I think the answer is B.
Hope this helps :)

The need activity of the nurse is to suction discharges from the trachea. current treatment approaches in the pressing consideration facilities or crisis offices are corticosteroids and nebulized epinephrine; steroids have demonstrated advantageous in extreme, direct, and even gentle croup. in the clear instances of croup, anti-microbials are not endorsed, as the etiology is viral