your answer is B. it is difficult to see physical and cognitive defects.
The answer is D. Environmental
Repeated bleaching is not recommended since you're putting yourself at risk of overprocessing and breakage. If you do bleach again, make sure to wait 3 weeks to give your hair cuticle enough time to heal, close and lay flat again.
1.A
2.B
3.C
4.A
5.B
6.C
7.B
8.D
9.C
10.A
Hope that that helps!!!!
