Correct Option: D

The wettest continent, with plenty of rain forests is South America. The driest continent is clearly Australia, with a Bowen ratio of about 2, followed by Africa, which contains the Sahara and Kalahari deserts. The wettest continents are South America and Europe with a Bowen Ratio of about 0.6. North America is also a relatively wet continent with a Bowen ratio significantly less than 1.0.