Pressure in a water distribution system during average consumption is ______ pressure.
a. residual
b. static
c. mean
d. normal operating
Answer: d. normal operating
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Generation of electricity using photovoltaic cells
A. would involve commitment of considerable land and material for large-scale use. B. is most practical for large industrial consumers. C. is not technologically possible at present. D. causes some pollution because toxic chemicals are released as the electricity is produced.
A volcanic eruption occurring beneath an ice sheet is likely to cause
A) a hazardous flood. B) enormous flows. C) lengthy lava flows.
________ are long, linear scratch marks carved onto bedrock by glacial abrasion
A) Eskers B) Glacial troughs C) Glacial striations D) Hanging valleys
Use the figure above to answer the following question(s).
What does the height of each of the curves on the graph represent?
What will be an ideal response?