Which of the following usually causes creep? 1. volcanic activity 2. freezing and thawing of water beneath the soil 3. low water content 4. plate tectonics

Freezing and thawing of water beneath the soil causes creep. As the water level goes up the soil is lifted with it. When the water level drops back down the lifted soils settles it goes straight down with a net result of moving down hill. 

The correct answer is:       [c]:   "organisms that are sensitive to changes in temperature would die. "