The answer is several symptoms have be begin before age 12
ADHD is the most common psychological disorder for children that caused them unable to focus on a single thing.
The symtopms can be diagnosed by measuring the level of hyperactivity that they display pre-adolescence period.
<em>Farming meant that people did not need to travel to find food. Instead, they began to live in settled communities, and grew crops or raised animals on nearby land. They built stronger, more permanent homes and surrounded their settlements with walls to protect themselves.</em>
<em />
<h2><em>You're welcome ✨</em></h2><h2><em>Have a nice night </em></h2><h2><em /></h2>
This statement is correct. true.
