Explain why the destruction of the El Segundo sand dunes almost caused the extinction of the El Segundo blue?

How did the work of farmers and breeders in england influence the work of charles darwin

What is the major difference between a virus and a viroid?

This is due today and i dont know how to do this. i will give brainiest! research the critical new developments in telescopes, and telescopic lenses. write a 200 word paper on the new developments, describing how these effects the telescopes, and in what environments these work best.