In ancient times silverpoint a traditional drawing technique was employed by scribe a consisted of dragging a piece of metal across a surface lined with gesso

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Select the sentence with correctly placed commas.

In ancient times, silverpoint, a traditional drawing technique, was employed by scribes, and consisted of dragging a piece of metal across a surface lined with gesso.

In ancient times silverpoint, a traditional drawing technique was employed by scribes, and consisted of dragging a piece of metal across a surface lined with gesso.

In ancient times, silverpoint, a traditional drawing technique, was employed by scribes and consisted of dragging a piece of metal across a surface lined with gesso.

In ancient times silverpoint a traditional drawing technique was employed by scribes and consisted of dragging a piece of metal across a surface lined with gesso.

In ancient times, silverpoint, a traditional drawing technique was employed by scribes, and consisted of dragging a piece of metal across a surface lined with gesso.

In ancient times, silverpoint, a traditional drawing technique, was employed by scribes and consisted of dragging a piece of metal across a surface lined with gesso.

Explanation:

A comma should follow a dependent clause placed at the beginning of a sentence:

"In ancient times, silverpoint..."

Commas are also applied to include appositives. When the appositive is in the middle of a sentence there has to be a comma in both sides of the phrase:

"silverpoint, a traditional drawing technique, was employed"

We should place a comma before coordinating conjunctions that link two independent clauses, such as the word "and". However, if the second clause doesn´t have its subject, it´s not a clause so it doesn´t need a comma.

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