1. Hydrologic
... , never carry it up. (John P. Rihter, Literary Works of Leonardo da Vinci) After Leonardo da Vinci, The next significant step of developing the hydrologic cycle theory was the French scientist Pierre Perrault. He measured rainfall for three years, and he calculated the total volume of the rainfall was six times the river flow. He also disproved the fallacy that rain was ... ...
- Word Count: 741
- Approx Pages: 3
- Grade Level: High School