Aplane travels 350 km south along a straight path with an average velocity of 125 km/h to the south. the plane has a 30 minute layover, and then travels 220 km south with an average velocity of 115 km/h to the south. what is the average velocity for the trip?
a.120 km/hr to the south
b.110 km/hr to the south
c. 121 km/hr to the south
d. need more information

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.