I’ll give brainliest to the first helpful answer!! which moon phases are not always visible and when are they visible? ex. a full moon is only visible at night

The meseta in spain is a a. navigable river b. castle c. coastal plain d.plateau

What empire controlled most of the middle east except for a few years between 1516 and 1917, where was the capital of this empire located and what was the geographic extent of this empire?

Who were the kelvin-rus? describe who influenced them.