Answer:
a. mobile phones
Explanation:
One day some engineers decided to change the course of history. Thinking of a way to make communication more efficient and easy, they had the brilliant idea of creating a system that would be capable of communicating between cordless phones. The idea was not bad, but the technology of the time did not help much.
The real history of the mobile phone began in 1973, when the first call was made from a mobile phone to a landline. It was from April 1973 that all theories proved that the cell worked perfectly, and that the cell phone network suggested in 1947 was designed correctly. This was a not very well known moment, but it certainly was a fact marked forever because it was the moment that facilitated communication for most people through the creation of the mobile phone.
Then we wouldnt know where things originated from or started
Answer:
The power of the Executive Branch is vested in the President of the United States, who also acts as head of state and Commander-in-Chief of the armed forces. The President is responsible for implementing and enforcing the laws written by Congress and, to that end, appoints the heads of the federal agencies, including the Cabinet. The Vice President is also part of the Executive Branch, ready to assume the Presidency should the need arise.
The Cabinet and independent federal agencies are responsible for the day-to-day enforcement and administration of federal laws. These departments and agencies have missions and responsibilities as widely divergent as those of the Department of Defense and the Environmental Protection Agency, the Social Security Administration and the Securities and Exchange Commission.
Including members of the armed forces, the Executive Branch employs more than 4 million Americans.
Explanation:
if this is wrong or incoorec tpleas elet me know and sorry
Answer:
an effort to save bullets, during the fighting at Breed's Hill, shouted to the colonists - "Don't fire until you see the whites of their eyes." ... What caused the colonists to retreat from Breed's Hill? They ran out of ammunition.