Answer:
Autism
Explanation:
Description from the passage from your question is telling us that seems that Liam has autism. Sometimes it is hard to recognize it at that age because Liam is only two years old.
The children that have autism don't like to be touched and they don't like to make eye contact with anyone.
Lack of education about risks
Answer: digestive and excretory completes the sentence.
It helps by you understanding what you need to pepare for life's greatest mysterys
Answer:
a chemical process in which substances act mutually on each other and are changed into different substances, or one substance changes into other substances.
