Joe, a teenager, is unable to perform well in exams that test his comprehension and language skills. he has a history of poor performances in language since childhood. in the context of intellectual disability, identify the skill that is joe's weakness.

I believe joe's weakness is the oral-language skills / phonological skills
oral-language skills refers to the ability to break down specch into smaller units of sentence, sylable, rhymes, and etc.
This skill is really important in jobs that require us to communicate directly with other people such as managers, politician, lawyers,negotiators, etc.

The  ancient egyptians  who  built the pyramids  may have been  able  to move massive stone blocks across the desert by wetting the sand in front of a contraption  built  to pull the heavy objects