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 correct answer would be B. Nigeria
Answer:
10
Explanation:
If you can't divide the number by 4, then it isn't divisible by 4. Try to divide 24, 8, 12, and 10 by 4. If your result isn't a whole number (like 2.4), then it isn't divisible by 4.