Consider how lifestyle affects the use of and demand for fresh water. How are use and demand related to each other? Can you think of a feedback loop involved in this system?

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

sodium i think the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.