Afirst class lever is used to lift a 500 pound load. if the input arm is 6 feet long, what is the minimum length of output arm that would allow the load to be lifted using only 125 pounds of input force

Which of these statements best explains how the hydrosphere interacts with the atmosphere to affect global climate? mountains block rain clouds and cause changes in global rainfall and evaporation. humans burn fossil fuels to produce greenhouse gases which cause global warming. humans cut down trees which affects the amount of oxygen in different parts of the globe. greenhouse gases, like carbon dioxide, dissolve in oceans and prevent global warming.