Answer: Air brakes
Explanation: The introduction of air brakes by George Westinghouse marked one of the most important safety upgrades in railroad travel. The air brakes which is powered by compressed air connected to the braking cylinders which automatically serves air to the brake pipes once the brake pressure falls. This automatic airbrakes offered an escape from the inefficient and manual brake system usually employed before it's invention whereby brakemen are charged with the task of controlling the braking system using the brake wheel in other to alt the train's movement. This manual method is both tedious and unsafe.
TRUUUUUE...................................
Since you have not given me the choices, I'll only discuss what is wetland and what are it's danger when it will be destroy.
Wetlands are the places that contains body of water like ponds, seashore, or river.
Since this is a wetland, expected that there will be a lot of species living in their and having their habitat like fishes, frogs, algaes and more.
Now, when this place become destructed, all these species will lost their habitat and soon die.
We all know that in our world, we depend on each other. so what will we do if our food will no longer exist?
Are there choices?
if not <span>He was able to pass down the civil rights bill which Kennedy couldn't (he was assassinated) and he was able to pass the 1965 Voting rights act which had a huge impact </span>
