Places around Cairo and Aswan are the largest concentrations of people in the region.
Explanation:
Concentration means how spread out things are in space. They could either be clustered or dispered. The purple on this map represents clustered, and as you can see, that Cairo is the largest city and the capital of Egypt, which is one reason why it has the largest concentrations of people.
Petroleum jelly is made from the non-renewable resource, Coal. Apples are made from trees, which can be replaced, maple syrup is made from trees, and cotton is made from a plant. Coal, cannot reproduce.
