A landscaper is shopping for landscaping materials. She wants to use materials through which water flows easily. Which two materials should she choose?
O clay and gravel
O gravel and loosely O packed soil
O granite and rocks with cracks
O rocks with cracks and clay

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?