The most likely cause of leaking between two joining couplings is a damaged or missing _______.
a. shank gasket
b. compression gasket
c. expansion ring
d. swivel gasket
Answer: d. swivel gasket
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Which of the following did NOT happen as a result of the destruction of the Aral Sea?
A) Its shoreline retreated at an unprecedented rate, causing villages that previously enjoyed a "seaside" location to be stranded 40 miles inland from the shore. B) Agriculture has been destroyed with a concomitant impact on public health. C) Salinity levels increased in the Aral Sea, causing fish species to disappear. D) Eventually, the Aral Sea consisted of two separate lakes. E) Oil was discovered on the seabed.
The study of individual populations in terms of specific group characteristics is
A) ecology. B) ekistics. C) geography. D) demography.
Describe how submarine canyons are formed? Where are they formed? How have past ice ages
affected the formation of submarine canyons? What will be an ideal response?
What type of feature is represented by the boundary between geologic units 2 and 3?
A. unconformity B. anticline C. joint D. cleavage