According to the plate tectonic theory, the three types of plates are continental, sea floor, and mid-ocean. true false

What group has historically made up the largest portion of immigrants in mexico?

Distance that lewis and clark traveled from st. louis to ft. clatsop near the pacific ocean.

Good scientists always report their observations and results truthfully. this is especially important when a scientist's results go against previous ideas or predictions. coming up with inventive ways to solve problems or produce new things