I think it is 1.3 okkkkkklklklk
Answer: Incorrect posture, learn good posture habits or get ergonomical chairs
Explanation:
Incorrect posture is sitting against the appropriate posture of the body, either when writing, sleeping, eating or working. When there is a bad posture to this it affects the body system especially the spinal cord, neck, back. Incorrect posture can lead to kyphosis. One way Sam can solve this pain is by learning proper sitting or working pattern or get ergonomical chairs that assist him to sit well.
The answer to your question is,
a tag question.
-Mabel <3
Answer:
The Mississippians, who settled in the Mississippi valley and in what is today the southern United States, were the only Mound Builders to have contact with the Europeans. Their culture emerged about a.d. 700 and lasted into the 1700s