The journey to Mecca that is expected to be done by muslims at least once is called: Hajj
Mecca is considered to be the Holiest city of muslim (the only city that can be considered as holiest city beside Mecca is Medina). Adult muslims are expected to conduct Hajj at least once especially if they are physically and financially capable, and their family could take care of themselves during the period of their journey.
Slums are vulnerable to crimes and violence because they try to earn through those means for their betterment of life. If they have been treated well,such crimes and problems can be avoided.
Explanation: Reciprocity is a norm amongst people which is due to the act of kindness committed by one person to us ,that result to us feeling encouraged and motivated to commit the act of kindness back to those people , it is a norm of sharing out of the kindness of our heart because people have also been kind to us.
The digestive system is where everything goes when you eat it, which includes your stomach, and all the other organs that help break down/ carry the food.
