Answer B
This is because a drought that depleted available water is a change to an abiotic factor. water is non living unlike the population or trees in the other answers. The fact that water is not there can be harmful to the squirrel as well!
Answer:
Carbon/Radiocarbon Dating
Explanation:
Carbon dating yields some of the most accurate results for aging samples around 50,000 years old, and can be as accurate as within a few decades of the exact year. Carbon dating uses the relative proportions of the carbon isotopes carbon-12 and carbon-14 that the fossil/sample contains to pinpoint an almost exact time.
<h3>Another positive benefit of civil service is that it can provide the workforce with a predictable and easy to understand set of criteria for advancement. In many cases it clearly spells out the specific criteria needed in order to move upward (“through rank”) in the workforce.</h3>