Which two are examples of mechanical weathering mentioned in the article? A Freeze thaw, salt wedging
B Freeze thaw, river erosion
C. Freeze thaw, acid rain
D River erosion, salt wedging ​

The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?