Cellulose, chitin, and peptidoglycan function as structural molecules and are extraordinarily resistant to degradation and decay. which structural feature is most directly responsible?

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

Stage in which a typical star has completely stopped fusion

What energy is it when you flip on a switch on a lamp