State one characteristics of rejuvenated river​

Which summarizes the relationship between density of an element and its distribution in earth? a. the greater an element’s density, the greater the amount of it found in the crust. b. the denser an elements is, the smaller the amount of it earth core. c. the greater an elements density, the smaller the amount of it’s found in the crust

The meseta in spain is a a. navigable river b. castle c. coastal plain d. plateau

What is unusual about the iraq mountains ,in spite of their old age?