Answer: They used irrigation to bring water to crops and fields.
The city-states of Sumer, the world's earliest civilization, developed in Mesopotamia, which is today's Iraq.
Answer:
The answer is dimensional and personality, respectively.
Explanation:
The dimensional approach views disorders as appearing in various degrees. For example, a person may present different levels, or <em>dimensions,</em> of a certain trait, such as empathy or self-esteem. In contrast, the categorical approach sees disorders as a matter of simply having them or not.
A common analogy is that, while the categorical approach is an on/off switch, the dimensional approach is more like a <u>dimmer switch</u>.