The Middle East has very limited fresh water sources in the form of rivers such as the Nile, Jordan, Euphrates, and Tigris rivers. However, these rivers are only located in a few countries. Which country does NOT have one of these rivers within its borders A) Iraq
B) Egypt
C) Jordan
D) Saudi Arabia

d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.

a characteristic is a deep cut in the earth or left over rock aka till.