In the littoral zone, rooted vegetation is no longer present
Indicate whether the statement is true or false
False
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Grounding wrist straps are used to _____.
a. prevent static discharge from damaging solid-state circuits b. prevent personnel from being shocked by stray currents c. keep personnel from being struck by lightning d. discharge electrolytic capacitors before removing them
The majority of insulin is harvested from the pancreases of cattle
Indicate whether the statement is true or false
Which of the following is a hazard associated with operating heavy equipment?
A. Drive-through construction sites B. Being crushed when equipment over turns C. High-visibility clothing D. Signalers with flags
Why do air-source heat pumps usually require auxiliary heat?
A) Because air-source heat pumps break down a lot B) Because the heating capacity of the unit drops as house heating requirements increase C) The heat pump compressor will not start in cold weather unless it is first warmed up D) The heat that a heat pump "pumps in" must first be provided by an auxiliary heat source