Precizeaza trei factori care au condus la explozia demografica a populatiei terrei in secolul XIX-lea

In north america, most winter storms form when cold, dry air from interacts with warm, moist air from

Which are evidence of the seafloor spreading? a. molten material b. magnetic stripes c. continental material d. drilled core samples e. ocean water samples

Which of teh following would explain the importance of the trans-siberian railroad to russia's economy? (schoology test)