yes, were there any answer choses?
mark brainliest
Answer:
4 billion years
Explanation:
Scientists have found the oldest known rocks on Earth. They are 4.28 billion years old, making them 250 million years more ancient than any previously discovered rocks. Earth formed about 4.6 billion years ago from a disk of gas and dust circling the sun.
The answer is B. Mountains.
Answer:
whne your like 30(i think) your not forced but some people still join bc there willing to sacerfice there life to help, if you 18-30 they can force you to join
Explanation:
Answer: Appalachian Mountains, Rocky Mountains, Great Lakes, Lake Superior, Missisippi River, Great Plains, Silicon Valley, Atlantic Ocean, Pacific Ocean, Mount McKinley.
Explanation: Sir I'm pretty sure you could've just looked these up, but those are all the Geographic features I can think of,