What best describes the direction that groundwater flows in the subsurface?
A. from unconfined to confined aquifers
B. from saturated to unsaturated aquifers
C. from areas of infiltration to areas of evaporation
D. from areas of high hydraulic head to low hydraulic head
E. away from streams and lakes
Answer: D
You might also like to view...
As a region, what is the unifying characteristic of Sub-Saharan Africa?
A) common religious beliefs B) similar livelihood systems and shared colonial experience C) shared language D) unified political system E) similar philosophy
Locate the data for the highest-discharge flood at Albuquerque after Cochiti Dam was completed in 1973
Date of flood: ____________________ Discharge: _____________cfs (ft3/sec) Rank in the entire flood record _________________ What is the recurrence interval for this flood? Show your calculations. Note that to calculate the recurrence interval, R, use: R = (n+1)/r n = the number of records in the data set r = the rank of the annual-peak discharge value with 1 being the highest value in the table. Fill in the blank with correct word.
What is the most abundant mineral group?
What will be an ideal response?
Many developing countries have economies largely dependent on subsistence agriculture; the majority of the population in the Asian region live in rural areas
Indicate whether the statement is true or false