How is the amazon rainforest been found?

A narrow bridge on which only one truck can cross one at a time there are two drivers on either side of the bridge and they cross at the same time? Where is the Peninsula Museum Of Art in Belmont California located? Underwater seal drainage for pneumonectomy? What body of borders Kazakhstan? How sherpas live? What are the problems of farming on the flood plain and solutions? What is name of sea animals fat? What are 2 ways that the water travels for land to enter the ocean? Where is the Spirit Of '76 Museum in Wellington Ohio located? Where does the Mississippi River come from? How many mountains did Lewis and clark climb in the rocky mountains? If a roller coaster car is pulled by a chain at the beginning of the ride what kind of energy is present at this point? Is Bryce canyon a constructive force? Where will the second louvre open? What is the river in Washington state? What country is Brandenburg Gate? How do beaches stop errosion? What happens to the waves in the ocean on a really really windy day? What are the names of Hawaii's major mountains? What kind of people live in Indus Valley Civilization?