the genetic material in an animal and plant cell are enclosed in a nucleus how is it different in bacterial cells? Please answer this

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation:

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.

a=c and then d= c because of the band so you get ac/dc and you add them together you get sound waves