Question

plant earth formed approximately
a. 1 billion years ago b. 5 billion years ago c. 9 billion years ago
a 1 billion years
b 5 billion years ago
c 9 billion years ago

Explanation:

Based on scientific research, Earth formed approximately 4.5 - 4.6 billion years ago. Among the given options, 5 billion years ago (option B) is the closest.

Answer:

B. 5 billion years ago