Ageologist is passing through a canyon that is known for frequent flooding. he comes across a tall rock that is in the middle of the flow of the floodwater. the geologist can tell that the rock has softer minerals in the middle than at its sides. if the floodwater continues to rise, how will it affect the rock?

a)it will erode the rock from the sides, resulting in a mushroom shape.

b)it will deposit sediments on the rock and increase the size of its base.

c)it will erode the middle of the rock more than the outer edges.

d)it will erode the base of the rock until it breaks apart and the rock tips over.

Match the type of region in column 1 to the example in column 2 functional region: functional formal perceptual example: the united states of america the slums of detroit the houston metropolitan area

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].

This phrase from the declaration of independence and its primary author thomas jefferson can be used to justify which statement? a) jefferson thought this document could be used in his defense were he put on trial for treason. b) jefferson knew that the colonists' actions would have an international impact. c) jefferson believed that a bill of rights was necessary in the new government. d) jefferson was trying to show the king that the colonists were intellectuals.