What were some key benefits for europeans during the age of exploration? check all that apply.

there was an increase in mercantilism.
kings, merchants and bankers invested in voyages to bring in more wealth.
kings wanted to better the lives of serfs.
increasing imports meant a better economy for that country.
ships became safer.

Nwhich situations is the principle of cross-cutting relationships useful in determining relative age? check all that apply. a fault breaks through sedimentary layers. sedimentary layers form and then are tilted. igneous rock forms between sedimentary layers. sedimentary layers form over millions of years in a lake bottom. lava flows form on top of one another from several eruptions over time.