A Commuter Travels Many Kilometres to Work Each Morning

question 31

Multiple Choice

A commuter travels many kilometres to work each morning.She has timed this trip 5 times during the last month.The time (in minutes) required to make this trip was 34, 39, 41, 35, and 41.The mean time (in minutes) required for this trip was ___.

• A)35
• B)41
• C)37.5
• D)38
• E)35.5

Understand the chronological order and defining characteristics of Chinese dynasties.

Distinguish between various painting schools and their stylistic features.

Associate significant historical figures and events with their respective Chinese dynasties.

Identify and describe the innovations and contributions of Chinese pottery and porcelain.

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Definitions:

Metallic Salt

Chemical compounds consisting of metal cations and non-metal anions, often soluble in water and can conduct electricity when molten or dissolved.

Electroplating Operation

A process that uses electrical current to reduce dissolved metal cations so that they form a metal coating on an electrode.

Negative Terminal

The terminal of an electrical device (such as a battery) through which current flows out, typically regarded as the source of electrons.

Cathode

The negative terminal of an electric device.