I don't believe they are. I don't believe they have been proven real either.
The correct answer is: A) Sanitation
Sanitation refers to the conditions that relate to public health, including the provision of clean drinking water as well as sewage disposal. The lack of basic sanitation leads to numerous problems. One of the most important is the death of thousands of children, over 525,000 of them dye every year because of diarrheal disease according to the World Health Organization.
Answer:
A.B.C.D are correct except E
Explanation:
there was no succession through inheritance
The Cook Book................
