Which geological features did sally ride observe from orbit?

What if puerto rico required all cement to carry a label with the location where it was manufactured and the date it was packaged? does that regulation discriminate against interstate manufacturers?

The balance includes both the fees for service and the shipping charges. is this sentence incomplete or complete?

Romeo and juliet have fallen in love, even though their families despise one another. based on the excerpt, what are the two main purposes of this prologue?