Answer:
I am confused on what this is supposed to be, but if you are talking about chemicals, then your answer is sulfur.
Hoped this is what you're looking for. Sorry if it isn't. I would love to help, but it needs to be more specific.
Answer:
It is known as The Sahel, also known as ساحل in Arabic.
Explanation:
Answer:
GEOMECHANICAL MODEL
Explanation:
It was used for engineering