I think it may be B. Struggling with puzzles others his age might have mastered
Answer:
1. Mnemonic
2. Spontaneously recovered
3.At the beginning
4.Tip of the tongue
5.Proactive Interference
6.Classical Conditioning
7.operant conditioning; Pavlov
8.Generalization
9.Sugar high; sugar high
10.Ion, bit, engram
11.Episodic
I hope this answer can help you :)
Explanation:
The muscles opposing the movement become the antagonists.
In a movement, like the back extension, the muscles that extend the back are the agonist.
The muscles that produce the opposite movement, which is back flexion, are the abdominals.
