What benefited by the wireless communication? PLEASE ASAP I NEED YOU GUYS TO HELP ME telephones
ships at sea
satellites
telegraph

Telephones

Explanation:

Advantages of Wireless Communication

Wireless networks are cheaper to install and maintain.

Data is transmitted faster and at a high speed.

Reduced maintenance and installation cost compared to other form of networks.

Wireless network can be accessed from anywhere, anytime.

what are the options ?

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.