The answer is D) all of the above :)
It is difficult to treat, and there are no treatments with proven effectiveness.
Smoking or drug addiction for an expecting mother is more dangerous because not only are the chemicals affecting her but they are affecting her baby as well if addiction continues through to the birth of the child the baby can experience withdrawal symptoms and can be underdeveloped
Answer:
apoy kuweba punong kahoy mga bato mga dahon balat Ng hayop
Explanation: