____________________ is produced when hydrocarbons and oxides of nitrogen react with sunlight to form a dirty yellow-brown haze in the air.

Fill in the blank(s) with the appropriate word(s).


Smog

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A fair die is rolled twice. Let A be the event that the number on the first die is odd, let B be the event that the number on the second die is odd, and let C be the event that the sum of the two rolls is equal to 7.

a. Show that A and B are independent, A and C are independent, and B and C are independent. This property is known as pairwise independence. b. Show that A, B, and C are not independent. Conclude that it is possible for a set of events to be pairwise independent but not independent. (In this context, independence is sometimes referred to as mutual independence.)

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Technician A says that all high voltage battery failures require replacement of the battery assembly as a unit. Technician B says that some repairs can be made to the high voltage battery module electrical connectors. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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Which pair of factors most directly affects the maximum allowable pressure drop within a system?

A) Type of refrigerant and pipe size B) Temperature of refrigerant and gas velocity C) Type of refrigerant and gas velocity D) Temperature of refrigerant and type of refrigerant

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Technician A says that value describes how intense a color is. Technician B says that chroma is sometimes called intensity. Who is correct?

A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B

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