What line of latitude is the northern limit of the tropical zone?

Geography help please?

• I was absent and my teacher gave us a bunch of sheets to fill in the blank and I have a test tomorrow! Promise I'm not cheating! I can't figure these out and my book isn't helping All rivers lead to a)_____________ the start of a river is called its b)__________ the end of a river is called its c)__________ The natural phenomenon that creats a temperate climate zone on one side of a montain (range) and a dry arid zone on the other is known as a d) ________ The imaginary line that runs through 0N/S e)____________ is called the f)____________-- The imaginary line that runs through 0E/W g)__________ is called the h)_________ I think some of the answers are : e) longitude f)prime meridian g)latitude h)equator Please correct me if I'm wrong. and last one : Why are there so many lakes north of 40 Latitude and so few below that line? Please, please help! Thank you.

• Answer:

  oceans source mouth rain shadow latitude equator longitude prime meridian At the equator warm moist air rises and heads north (in northern hemisphere), it cools and sinks and the moisture condenses forming rain. Increased rainfall in this area (wetter climate) results in more surface water.