Calculate the period of revolution of each of the planets in the planet data table

In 1870, which path would settlers moving west from el paso to los angeles have followed? a) old spanish trail b) gila trail c) california trail d) oregon trail

What is the "great pacific garbage patch"? (a) a large area of marine debris concentrated by rotating ocean currents (b) a large area around the pacific rim where debris collects from natural disasters such as tsunamis (c) an area in the pacific ocean where trash is intentionally dumped due to lack of landfill availability (d) a large trash dump located in hawaii

The mantle is made up of which structural zones?