Which of the following contaminants leaches from clays into groundwater when groundwater is excessively pumped? Group of

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Which of the following contaminants leaches from clays into
groundwater when groundwater is excessively pumped?
Group of answer choices
Total Coliform
Nitrates
Phosphates
Arsenic
Which of the following
statements best describes why a tennis
ball bouncing down the stairs is a good metaphor for the declining
groundwater levels in the San Joaquin Valley?
Group of answer choices
Like a tennis ball bouncing down the stairs, the groundwater
level drops and then recovers again
Like a tennis ball bouncing down the stairs, groundwater will
rise and fall each year but is decreasing overall.
Like a tennis ball bouncing down the stairs, groundwater is
declining steadily each year.
Like a tennis ball bouncing down the stairs, groundwater levels
are completely unpredictable.