Answer: 4
Explanation: There are 4 valence electrons in group 14, the Carbon group.
The correct answer is a vacuole
negative impact for social is that some people tend to be self-consious when out in the public. for physicsl and emotional it is alright but they need to be carfeul when going outdie and ake sure they are hanging out with the right people
Answer/Explanation:
b) kidney and bladder
Kidneys are the main organ in the excretory system and the bladder stores the urine in the body. These are two of the organs that make up the excretory system.
Answer:
B(sperm production)
D(appearance of secondary sex characteristics)
Explanation:
