Palm leaves.
Religion is very big and important in muslim life.
A mosque is a building for Muslim religious worship. It is important as a place of prayer and communal organization for the local Muslim community.
name important valley in muslim world?
because it shapes the conduct of a muslim
Ramadan and Eid
He was important because he created another Muslim empire in india
Hitler
Yes.
In Islamic countries.
Holy Mosque in Makkah Prophet Mosque in Madinah Al-Aqsa Mosque in Jerusalem
The question as written makes no sense. If you mean "What was the most important Muslim scientific achievement?", see the Related Question below.