Explanation:
not A or D,
about B and C I'm not sure
Answer:
There are different phases of railroad expansion with the innovations in technology.
Explanation:
Few of the technological innovations are described below that leads in railroad expansion more rapid.
1. Centralized Traffic control (CTC) is introduced in 1960's that is used to control the traffic on railroads using different signal control.
2. In 1990's after computer technology involvement, railway ticket and reservation system is automate and being centralized. That makes the railroad expansion improve.
3. Bullet train technology has been introduced, that makes the railway trains more faster.
4. Electric trains has been introduced to use green energy and reduce the dependency on the fuel to make environment clean and green.
Answer is "Web Designer".
Web Designers are the "artists" of the website. They conceptualize the layout and functionality of the site, from features to format. They may do little coding, and are mostly involved in the creative elements of web design. The Web Developer is less big-picture, and more knitty-gritty building of the website. She is the one who does the coding and actually builds the website, using the web designer's model.
Answer:
I have no clue. I wish I could help though.
Explanation:
Sorry
Answer: Coaxial Cable got its name as "coaxial cable" as it has two physical layer of channel in same cable axis.
Explanation: Coaxial cable is the cable that is basically composed of copper and shield of other materials.They have two physical channels and having a insulating layer between them and the outer layer serving as the ground layer. Both the channel of physical layer have the same axis that why it is termed as "coaxial".These cables are commonly used in the cable televisions , sometimes in telephone line etc.
