Question

Which is a run-on sentence?

A. The researchers used several methods for testing their data, the article explains them all.
B. At higher altitudes, water boils at a lower temperature.

Answer 1

The run-on sentence is 'The researchers used several methods for testing their data, the article explains them all.' It should be split into two sentences or joined with a conjunction.

Step-by-step explanation:

The run-on sentence is: The researchers used several methods for testing their data, the article explains them all. This sentence improperly joins two independent clauses with a comma, which should be separated by a period, a semicolon, or joined by a conjunction.

The run-on sentence is 'The researchers used several methods for testing their data, the article explains them all.' It should be split into two sentences or joined with a conjunction.

The correct sentence should be: "The researchers used several methods for testing their data; the article explains them all." or "The researchers used several methods for testing their data, and the article explains them all."