Hello tutor please answer these two questions according to the link that I attached below please don't use outside resources thank you for your help.

1. Summary: Please summarize intellectual disability briefly and concisely. You should include information regarding the cause and the most common characteristics about the intellectual disability. Additionally, avoid copying and pasting from your sources. Please make sure to correct any spelling, grammar, or punctuation errors.
2. Questions: What are some red flags that a preschool teacher might notice in the classroom that could indicate a child has intellectual disability? In other words, what symptoms? What characteristics? What behaviors should the teacher document? (2-3 paragraphs)

https://my.clevelandclinic.org/health/diseases/25015-intellectual-disability-id