When pressurizing your scuba system (i. e., turning the air on), you should:
A. Look directly at the submersible pressure gauge (SPG) to make sure the cylinder is full.
B. Hold the SPG facing down or away from you.
C. Keep at least one second stage purge button depressed.
D. None of the above
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Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.
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When pressurizing your scuba system (i. e., turning the air on), you should:
A. Look directly at t...
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