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:
false
Explanation:
because a lot of times they are downloads without the disk
Most significant digit. That's the same that it's called for any number system.
3.5X2 cannot be the answer as it too small and not enough information can be put into it. The common size for tri-fold brochures is 8.5X11 or letter size even when 8.5X14 is also a size used it is not the most common size.
It is known as the PACING Calendar.
