what are the physical features of the amazon river?
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-Amazon = largest river in terms of water/system\n*Over 11,000 tributaries\n*17 tributaries are over 1,000 miles long\n*Two of most important:\n1.  Negro\n2.  Madeira
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An objective analysis of the effect of constructing a sea-level canal across Central America is attempted. This canal, unlike the present Panama canal, has not been built, though it is a feasible proposition. The canal would run almost north-south, and would be 50 miles long. Proposed routes are noted; these resulted from a joint study by the US Army Corps of Engineers, the Atomic Energy Commission and the Panama Canal Co. in 1964. Extracts from their report are reproduced. In evaluating the report, the author takes account of some biological and physical features of the area, with particular attention to the potential effects of allowing mixing of Atlantic and Pacific biotas. The work of the Committee of Ecological Research for the Interoceanic Canal (CERIC), established to investigate the possible effects of building the canal, is reviewed. Finally, an alternative plan, involving the construction of a third, larger, set of locks on the present canal is presented, and the author concludes with the hope that ecological impact of canal building will be given as much attention as economic etc. when the decision to build, or not to build, the new canal is taken.
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I did some research... here are some websites that might help...\n\nThe 2nd one is a map quiz that will help you learn more about the physical features.
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sure, look up brazil and rainforest on your search engine. you will find many things there.
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The longest river in the world flows north, the Nile. \n\nThe Rhine ends up northerly, though if I am not mistaken, farther inland, flows predominantly westerly.\n\nThose are the main big ones, though just about any river that empties into a body of water north of the landmass it is on, is going to, out of necessity, flow generally northerly. Such rivers would be in Canada, Alaska, and Russia emptying into the Arctic Ocean. Northern African countries with rivers emptying in to the Med, would be flowing north, though those countries are predominanty desert, so the rivers would probably not be much.\n\nThere are rivers in northern South America, in Columbia and Venezuela that would be flowing into the southern Carribean Sea on a northerly course.\n\nWith the exception of the Nile, most rivers that flow north are not in areas that attract that much attention. Afterall, how much activity is there on the Arctic Ice Pack to draw attention to frozen rivers emptying into it.\n\nIt is not a matter of more rivers flowing south, but rather most rivers THAT GET ATTENTION flow in a direction other than north. (Afterall, the Amazon River has a mostly easterly course.)
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Access to running water, woodland near by, stable geography (not on top of a hill prone to landslides etc)
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South America's Amazon River is the world's largest because it carries more water to the sea than any other river. The Amazon's discharge at its mouth is approximately 7 million cubic feet per second.\nThe Amazon is the world's second longest river as well, coming in just a tad shorter than the Nile River at 4,049 miles (6,516 kilometers) long.
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Atmosphere\nPascal\nBar\nlbs/cm^2
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a MAP!! \na map has a river with no water;\nit has a forest with no trees;\nand a city with no buildings. =)
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The LONGEST river in the world is the Nile River.  The LARGEST is the Amazon River.
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The Amazon Rainforest... South America. "Still discovering new species everyday in that region"
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Lengths of the major rivers\nTake a look at a map of the United States or of any country in the world. Notice how towns and cities tend to be located next to rivers? This is no coincidence. Rivers provide water for the essential needs of both tiny towns and huge cities. There's a good chance that you live near one of our nation's large rivers. Ever wonder what rivers are the longest? Look at the graphic below to see our short list of long rivers.\n\n(It's not so easy to define how long a river is. If a number of tributaries merge to form a larger river, how would you define where the river actually begins? Here, we define river length as the distance to the outflow point from the original headwaters where the name defines the complete length. (Source: Statistical Abstract of the U.S., 1986))\n\nWORLD\n\n Nile: 4,132 miles\n Amazon: 4,000 miles\n Yangtze: 3,915 miles\n\nUNITED STATES\n\n Missouri: 2,540 miles\n Mississippi: 2,340 miles\n Yukon: 1,980 miles\n Rio Grande: 1,900 miles\n St. Lawrence: 1,900 miles\n Arkansas: 1,460 miles\n Colorado: 1,450 miles\n Atchafalaya: 1,420 miles\n Ohio: 1,310 miles\n Red: 1,290 miles\n Brazos: 1,280 miles\n Columbia: 1,240 miles\n Snake: 1,040 miles\n Platte: 990 miles\n Pecos: 926 miles\n Canadian: 906 miles\n Tennessee: 886 miles\n Colorado (of Texas): 862 miles\n North Canadian: 800 miles\n Mobile: 774 miles\n Kansas: 743 miles\n Kuskokwim: 724 miles\n Yellowstone: 692 miles\n Tanana: 659 miles\n Milk: 625 miles\n Quachita: 605 miles\n Hamilton: 600 miles\n Cimarron: 600 miles\n\nThe Yellowstone River is the longest free flowing river in the lower 48 states. Unshackled by dams, the 680-mile river begins its journey in the mountains of northwest Wyoming and extends to meet with the Missouri River in northeastern Montana. Fish, float or simply appreciate this national treasure.\n\nThe Yellowstone River, the longest free-flowing river in The United States, is a world-class blue ribbon trout stream, teaming with trophy-size Cutthroats, Browns and Rainbows. It flows North through Paradise Valley from its source, Yellowstone Lake, in famed Yellowstone National Park
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http://www.mbr-pwrc.usgs.gov/bbs/anim/h3520.html
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The Amazon is navigable by canoe for almost all its (approx) 4000 mile length. You'd have to carry all your equipment, including tent, mosquito nets, hammock etc in the canoe so it would have to be quite sturdy. You'd need a tent high and strong enough to suspend a hammock inside, to keep ground insects, scorpions and snakes away.\n\nWith all this weight, including water and food, you'd need pretty much an expedition team. How many paddles are you allowing in your question?\n\nIt's still possible to see local people using paddles to canoe the Amazon, but all serious long-distance traffic goes by motor powered boats or motor canoes.\n\nIf you were to paddle a solo canoe carrying equipment, I don't think you'd get more than an average of 20 miles a day downstream. So 200 days.
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Climate:\nAlthough 90% of the country is within the tropical zone, the climate of Brazil varies considerably from the mostly tropical North (the equator traverses the mouth of the Amazon) to temperate zones below the Tropic of Capricorn (23°27' S latitude), which crosses the country at the latitude of the city of São Paulo. Brazil has five climatic regions: equatorial, tropical, semiarid, highland tropical, and subtropical.\nhttp://en.wikipedia.org/wiki/Geography_of_Brazil#Climate\n\nTopography:\nBrazil covers a total area of 8,514,215 km² (3,287,357 sq. mi) which includes 8,456,510 km² (3,265,076 sq. mi) of land and 55,455 km² (21,411 sq. mi) of water. The highest point in Brazil is Pico da Neblina at 2,994 m (9,823 ft).\nhttp://en.wikipedia.org/wiki/Geography_of_Brazil\n\nNatural resources:\nBrazil is endowed with vast agricultural resources. Brazil is the world's largest producer of sugarcane and coffee, and a net exporter of cocoa, soybeans, orange juice, tobacco, forest products, and other tropical fruits and nuts.\nhttp://en.wikipedia.org/wiki/Economy_of_Brazil#Agriculture_and_forestry\nProven mineral resources are extensive. Large iron and manganese reserves are important sources of industrial raw materials and export earnings. Deposits of nickel, tin, chromite, bauxite, beryllium, copper, lead, tungsten, zinc, gold, and other minerals are exploited.\nhttp://en.wikipedia.org/wiki/Economy_of_Brazil#Industry\n\nHope this helps.\n\nAndy
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Nothing. The river just flows from it. If it has multiple sources or headwaters, however, then the actual river flows from the largest or main source, and is connected to the other headwaters through tributaries.
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Lakes, river, ponds, streams