Question

If someone were researching current developments with colloidal cancer, this source could be unreliable because A) The source is outdated. B) The source is a dictionary. C) The source has too little information. D) The source has information on irrelevant meanings of "cancer."

Answer 1

The source is outdated

Step-by-step explanation:

The source is outdated. According to the title line, this source is from 1913 and is therefore outdated and inappropriate for current cancer developments. A dictionary, even with little information, can be an appropriate source for documented definitions. Additional irrelevant information can be disregarded.