The underlying Theory which is foundational to current geological thinking is: 1. catastrophism
2. neptunism
3. uniformitarianism
4.plutonism​

there is often only a small difference between what is legal and what is ethical when working with competitive intelligence..

muslims have taken his goods and products to different parts of asia an indonesia. sometimes just traveled and trade, but in other occasions, stayed in the place and made a living.

trade was the key for muslims economies to prosper. their commerce routes reached far places like malaysia and java in the 11th century.

another important factor for prosperity was that muslim states served as the middle point for european traders.

they used to travel by land but sailing the seas -the indian ocean- really increase the exportation of products.

they could find out our specific needs.

they produces sugar..

hope this , question was a little open ended