It is not all of the above I think it is A.People drink water that has been contaminated with animal feces.
D , the Craton found by earths lithosphere. refers usually when talking around the tech tonic plates <span />
The Von Thunen model is still relevant today in spite of its weaknesses because it can be used as an idealistic depiction of agricultural geography, particularly in its representation of how land and transportation costs relate to markets.
Current = (voltage) / (resistance)
Current = (100 volts) / (10 ohms) = 10 Amperes
