Calculate approximately how long it took for the atlantic ocean to open to its present width at the equator (about 6,600 km). show work

The yellow river is also known as the huang he river? true or false

Select the correct text in the passage. the moving continents affect all subsystems on earth. which sentence identifies a potentially negative consequence of shifting continents? the supercontinent pangaea began to break up about 175 million years ago. [during this process, more coastline was exposed as the landmasses separated]. [the rearrangement and displacement of these huge landmasses resulted in the diversity of plants and animals we see on earth today]. [the movement of the plates sometimes leads to earthquakes and tsunamis]. however, over the long course of earth's history, their effects are usually minimal. in oceans, the plate movements usually lead to seafloor spreading. [seafloor spreading often results in the formation of underwater ranges of mountains].

What does it mean if a piece of wood is ripped? it has been water-damaged. it has been cut with the grain. it has been cut against the grain. it has been covered with laminate.