Tracey is a 3-year-old trying to complete a large 50-piece puzzle. She is having difficulty, so her mother tells her how to find the corners of the puzzle. Then, she tells her to look for the flat-sided pieces to make the frame. Tracey is able to do that and then needs more help to complete the rest of the puzzle. Her mother gives her hints as to how to find pieces that match up based on the colors and looking at the picture of the puzzle on the box. What technique is her mother using?

Scaffolding

Explanation:

Scaffolding  is defined as the teaching technique in which a trainer, teacher or  any instructor instructs the steps for solving any issue or performing function and then withdraws themselves .They let the student practice the problem solving on their own and helps only when they require support.

According to the question, Tracey's mother is using scaffolding as she is teaching her how puzzle solving should be done and then lets Tracey perform puzzle solving.She is proving Tracey hints to solve the puzzle when Tracey needs any support.

i dont know but thats a great qusestion

answer; i do believe that its(gestation,suction-aspiration or vacuum aspiration;