Where can you find the tallest steel roller coaster in the u. s.?

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 !

Select all that apply the earth orbits the sun because a. the earth is in motion therefore stays in motion b. the suns gravity pulls the earth in a curved path c. a contact force is pushing the earth

Which most likely was persia’s most valuable asset?