Write a function that returns True if the sentence stringsentencecontains everyletter of the alphabet. If the sentence does not contain each letter, print whichones are missing. The result should not depend on capitalization, so you can ignoreupper and lower cases

Describe one experiment in which the glass transition temperature and melting temperature of a totally amorphous thermoplastic material can be determined. show the relevant experimental results in a diagram which should be properly annotated with the two temperatures clearly marked. what is likely to happen to the curve in the diagram if the amorphous polymer is replaced by a thermosetting type?