A3.0 meter stick is inserted vertically into the ground, so that 2 meters of the stick is above ground. at noon the length of the shadow is measured to be 0.5 meter. what is the altitude of the sun? could this measurement have been made in pittsburgh (explain your reasoning)? you should draw a diagram to assist you in answering this question.

If we represent the solar system on a scale that allows us to walk from the sun to pluto in a few minutes, then a) the planets are microscopic and the stars are millions of miles away. b) the planets are the size of basketballs and the nearest stars are a few miles away. c) the planets are marble size or smaller and the nearest stars are thousands of miles away.

Can someone me choose a broad topic and area of focus i am really doing this as a tally to see which one most people pick ok water pollution global warming endangered species atmosphere for the !

Which types of seismic waves travel through earths interior? select all that apply. a) l waves b) p waves c) s waves