Alexander Graham Bell invented the TELEPHONE in 1876. It is a device that lets two people have a conversation even when they are far from each other. This could be done by sending signals through cables. Alexander Graham Bell began a new era of communication with his invention of the telephone.
Henry Ford was the first man to create the concept of the assembly line. This was when every employee was responsible for assembling only one part on Ford's cars. The assembly line was able to ramp up production and turned thousands of cars every month which resulted in more profits for Ford.
Answer: All of them except I think total number of students because no matter the number, people need these ramps
The answer is false but don’t quote me on it
