The danube river is navigable and thus connects many of the countries of the european continent

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

How did geography influence the settlement of early africa.

When the same passes through two locations on a weather map, both locations have the same pressure