Match the following. 1. processes initiated by people that shape earth's surface and interact with plant and animal life to create, sustain, and modify ecosystems physical systems
2. activities occurring in nature that shape the earth's surface physical processes
3. processes occurring in nature that shape the earth's surface and interact with plant and animal life to create, sustain, and modify ecosystems systems
4. physical and human processes that shape the earth's surface and interact with plant and animal life to create, sustain, and modify ecosystems human systems

- "a new era of american politics began with jackson's election in 1828, but it also completed a grand social experiment begun by the american revolution. nevertheless, jacksonian democracy represented a provocative blending of the best and worst qualities of american society."

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whose power in the senate is equal to the power of the speaker of the house?

the alfred thayer mahan award for literary achievement is awarded each year by the navy league of the united states. the award is named for an american naval historian and theorist, rear admiral alfred thayer mahan, united states navy who, through his writing, provided stimulus and guidance to those who share in the defense of the nation. presented since 1957, "this award for literary achievement is awarded to a u.s. navy officer, u.s. marine corps officer, enlisted service member, or civilian who has made a notable literary contribution that has advanced the knowledge of the importance of sea power in the united states."[1]

hello,

the steamboat is your answer.

it seems like its the only form of transportation on the choices.