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.
Earthquakes and tsunamis are caused by pressure building up in the Earth's crust along the intersection of tectonic plates, while tornadoes are created by updrafts and downdrafts interacting with wind.
A) China 1.4 billion (India had 1.3 billion)
Answer:
A prime number is a whole number greater than one who's only factors are one and itself. The prime symbol is usually used to A) denote two distinct but similar objects or B) to denote the derivative. It could be described as a seperator.