In Each Group

question 39

Multiple Choice

In each group. select the sentence with the correct relative pronoun and punctuation.

• A) The boats which are for sale, are in the marina.
• B) The boats, that are for sale, are in the marina.
• C) The boats that are for sale are in the marina.

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Definitions:

Alessandro Volta

An Italian physicist known for the invention of the voltaic pile, considered one of the first electrical batteries.

Pure Sulfuric Acid

Sulfuric acid with no impurities, highly corrosive and typically used industrially in concentrated form for chemical synthesis or processing.

Tap Water

Water supplied to a residential or commercial area through a system of pipes and taps, generally suitable for drinking and other domestic purposes.

Diode Trio

A set of three diodes used in an alternator to convert AC to DC current, essential for charging a vehicle's battery.