Does ground water flow at a uniform velocity through an aquifer? If not, why not?
What will be an ideal response?
Ground water velocities at the 150 wells in Cape Cod were different and ranged from 0.33 to 0.51 m/ day. The concentration was also very diluted indicating the tracer spread out into a much greater volume of water. This is likely due to water flowing around grains, thus slowing its velocity and spreading the flow out.
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What is the primary source of pollution in the Chesapeake Bay?
A. farm runoff B. chemical manufacturing plants C. oil refineries D. mercury plants
You generally buy and eat microwave dinners. After dinner, cardboard tops and plastic trays remain. The least effective way to deal with this type of solid waste problem is to
a. Store leftovers in the plastic trays. b. Put all of the solid waste in the household trash to be taken to the landfill. c. Donate the plastic containers to the local nursery schools to use with preschoolers. d. Recycle the components. e. Save the containers in a stash in your garage for future use.
Ground rupture occurs during an earthquake as
A) saturated sediments are liquefied B) buildings pull away from their foundations C) California falls into the ocean D) a near-surface fault breaks the surface
Which of the following can undergo keto-enol tautomerism?
A) 2-methylpentanal B) 2,2-dimethylbutanal C) both a and b D) neither a nor b