Early explorers used astrolabes to determine location according to a. the location of the sun b. the positions of the stars c. the direction of the wind’s movement d. the distance from the horizon

Which type of seismic waves are confined at the surface

Which of the following can scientists estimate geologic time? a.observing rock sequences b.radiometric dating c.comparing fossils d.all of these

What statement about the economy of france is not true? a. paris is a major manufacturing center b. marseille is a busy seaport on the mediterranean coast c. farming is the major activity in the alps. d. world-famous wines are produced in the bordeaux region c. farming is the major activity in the alps