D. Some European rivers act as international borders.
<u>Answer:</u>
<em>C. constructed advanced irrigation systems
</em>
<em></em>
<u>Explanation:</u>
The western religion expanded through the New Mexico from Arizona and through Colorado and other nations. There was a variety of Indian groups who practiced different cultural practices. However there was a group that dwelled in these regions called the Pueblo, they were given this name by the Spanish because they lived in villages and towns on mud building and thatched roofs.
The pueblo community was classified into three groups, and their main activity was the construction of irrigation systems as a way of living.
Answer:
Factories disposing of waste incorrectly.
Explanation:
Crust mantle core should be right
