Identify and describe the three zones of groundwater supply
What will be an ideal response?
The three zones are surface water, aeration, and groundwater.
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What is the minimum condition of dimension I?
What will be an ideal response?
When using a self-contained recovery unit to recover refrigerant vapor, the discharge of the recovery unit is typically connected to _____.
a. a suitable plastic recovery bag b. a recovery cylinder c. the high-side port of the gauge manifold d. the low-side port of the gauge manifold
Manure from earthworms, called ____________________, helps enrich soil.
Fill in the blank(s) with the appropriate word(s).
When the safety cap is removed from acetylene cylinders that hold 55 ft3 or more:
A) The cylinder must be laying in a horizontal position. B) The cylinder must have a regulator installed on it. C) The cylinder must be chained to a cart or structure. D) The cylinder must be in a vertical position.