Answer:
I would say B
Explanation:
Many people use social media, so with a bit of targeting, one can easily reach a large number of their intended audience.
The world's population grew yes, but not enough to multiply. Now, this is an answer, so i do have to have an answer... the answer is x1.34 roughly. it almost doubled, It didn't though.
The answer should be <span>Radiocarbon</span>
I'm sorry to say but your question has been falsely posted in the History section and should be placed in the proper science section. Have a good day :)