5. how do tiny biogenous tests, that would otherwise be carried horizontally long distances by currents, reach the ocean floor directly below where test secreting organisms live? they sink vertically in fecal pellets excreted by heterotrophic organisms. b. adsorption to vertically sinking precipitates. they are swept vertically into turbidity currents. d. they percolate vertically through hydrothermal vents

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].

Distance that the transcontinental railroad covered from omaha to san francisco.

Adesert is an example of a(n) and the gobi desert is an example of a(n) a. ecosystem biome b. biome ecosystem c. ecosystem climate d. climate biome