Discover Questions

A little help please.
For the formation of aspirin, salicylic acid is acting as an - and acetic anhydride as a -? Can a solar wind bring other elements onto a planets surface, since the moon has a trace of nitrogen and carbon from solar winds? (0,2pi) interval 2\sqrt(3) sin(4\theta )=3? What is 24 sq.ft. ? Use the identity cos^2x +sin^2x+1 to integrate (cos^3xsin^2x dx)?