After reviewing the graph you have given with the question, there are several reasons why carbon 14 can't be used to accurately determine the age of organic remains that are 1 million years old.
A few of the reasons are; Carbon-14 has a short half life, after 1,000,000 years there wouldn't be enough carbon 14, and too little of the original radioactive sample would remain. Any of these choices are correct for the answer to the question you asked.
1. <span>China experiences </span>typhoons<span> every year and also suffers from floods, </span>tsunamis,earthquakes<span> and droughts.
2. </span><span>China is officially known as the People's Republic of China.
3. </span><span>China has the largest population in the world, with over 1.3 billion people (1,343,239,923) as of July 2012.
4. </span><span>There are many different languages spoken in China, including Mandarin, Yue, Wu, Minbei, Minnan, Xiang, Gan and Hakka.
5. </span><span>In 2003, China became the third country to successfully send a person to space.</span>
The correct answer to this question is: colonization.
