Large-scale irrigation systems were developed during which of the following time periods?
a. Iron Age
b. Stone Age
C. Bronze Age
d. Industrial Revolution

Type the correct answer in the box. spell all words correctly. under which key category do the page up and page down keys fall? page up and page down keys fall under the keys category.

Which of the following physical laws can make the flow of water seem more realistic? a. motion b. gravity c. fluid dynamics d. thermodynamics

In a word processing program, such as microsoft word, which feature to you choose the desired picture enhancement?