Answer:
strengths are it's simple and easily understood and limitations is that it cant maintain simplicity if it's more descriptive
I think its a hope that helped :)
Answer: sewage in water and factory waste
Explanation:that’s my guess
When stem cells grown on hard, rigid surface, then they became bone cells. Researchers demonstrate in Nature materials that human mesenchymal stem cells grown on a rigid substrate for some time become biased toward differentiating into bone-cell lineage, whereas cell grown on softer surfaces are just likely to eventually follow a bone or fat cell fate.
Test tube babies are a babies conceived by in vitro fertilization.
in virto fertilization is a process by which an egg is fertilised by sperm outside the body.
hope this helps :)
