Answer:
C
Explanation:
When fossil fuels are burned, they release large amounts of carbon dioxide, a greenhouse gas, into the air.
Answer:
The answer is "17200 years".
Explanation:
Given:
Let the half-life of carbon-14, is beta emitter, is
Constant decay
The artifact age 

Answer: 55,000
<u>Explanation:</u>
Scientific Notation: 5.5 x 10⁴
Standard form: move the decimal 4 places to the right
5 5 0 0 0 0.
= 55,000
The first one would be the best answer