There are many new technologies in geography! Which new technology can help us to understand patterns in our world by using software to combine data with maps? A. remote sensing B. radar C. aerial photography D. geographic information systems (GIS)​

The rise of advertising in the 1920s. i am good with seeing how advertisements shape the roaring twenties and how it developed a new way of life through modern days. but i am not sure what the details of advertising in the 1920s were. if possible can you send me links (preferrably credential links) to sources that maybe show like the first company to start advertising through the radio, how advertising benefits (statistics graphs), etc.

How did inca develop their road system? a) they used mortar to hold the stones together.b) they built suspension bridges over rivers. c) they mixed copper and stone together to make the blocks.d) they laid roads in the cities, not in the less densely populated deserts.

Which piece of information would most a historian create an interpretation of this photograph of works in a factory?