Answer: ok ill help:
1. over population happens when too many babies are born and the place gets crowded
2. same thing happens is too many immigrants go to 1 place E.G UK
Answer:
Undefined word, please try again
An identical twin I think
Answer:
Skin acts a defensive and protective layer. It protects the internal body from pathogens, which are disease causing bacteria. The skin can fend off bacteria, particles, foreign bodies, etc.
Explanation: