At the top of a trajectory, a mortar shell explodes into two fragments: a 2.5 kg piece moves south west with a horizontal velocity of 100 m/s while 3.5 kg piece moves north with a horizontal velocity of 70 m/s. What was the horizontal direction of the cell just before explosion?

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.