Answer:
i think it is c but i am not sure
Explanation:
The 3rd one is the answer
Answer: A child finds a shiny rock in a creek, thousands of years ago, and the human race is introduced to gold for the first time. Gold was first discovered as shining, yellow nuggets. “Gold is where you find it,” so the saying goes, and gold was first discovered in its natural state, in streams all over the world.
Explanation: A child finds a shiny rock in a creek, thousands of years ago, and the human race is introduced to gold for the first time. Gold was first discovered as shining, yellow nuggets. “Gold is where you find it,” so the saying goes, and gold was first discovered in its natural state, in streams all over the world.
The project D. Building the Transcontinental I believe is the one that led to the creation of a system of time zones across America