Studies have found that humans now spend more than ____ percent of their time indoors.

A. 50
B. 60
C. 70
D. 80


Answer: D

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At a meeting, what does the gavel symbolize?

What will be an ideal response?

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Which of the following is the correct order of events that occur at a cholinergic synapse? 1. Extracellular calcium enters the axon terminal, triggering the exocytosis of acetylcholine. 2. Acetylcholine is removed by acetylcholinesterase. 3. Acetylcholine binds to receptors and depolarizes the postsynaptic membrane. 4. Axon terminal depolarizes.

A) 2, 3, 1, 4 B) 1, 4, 3, 2 C) 4, 1, 2, 3 D) 3, 4, 1, 2 E) 4, 1, 3, 2

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Normal cranking speed of an engine is about ___________

A) 200 RPM B) 1500 RPM C) 2000 RPM D) 1000 RPM

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What mode of communication is used between a passive RFID tag and a reader?

A. simplex B. half simplex C. full duplex D. half duplex

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