Erosion, weathering, freeze thaw, corrosion etc
Answer:
Increase in agricultural productivity due to mechanized farming techniques
Increase in settlement areas due to improved water delivery and storage methods
Increase in urbanization due to globalization
Explanation:
The answer is density, temperature, and salinity. These are the factors that makes a current that is 50 meter less deep. The other choices will create a higher amplitude of the current.