Why would the carbon dating method be useless in dating old coins but not old of adobe bricks?

What are two things found in a cockpit? What are some geographic locations that begin with p? What does the similar symbol? Is reverse transcriptase produced in humans? Why are 240 volt heaters more efficient? What speed is a storm classified as a hurricane? Do eukaryotic cells all divide at the same rate if not what controls the rate of doubling? How many cups are in 56 fl oz? Who concluded that two kinds f cells reproductive and nonreproductive exist? What would happen to the egg in the freshwater glass? How do you find a noun? What contains more organisms a population or community? Why might the knowledge of topographic maps be helpful when hiking in the wilderness? If a small amount of air is not kept in an air shock what can happen? Do organisms smooth rocks? What are the structural and functional differences of the bursa and meniscus? How do tobacco plants disperse their seeds? What are the uses of kodo millet? What are the symptoms of radon granite counter top poisening? Special certifications required marine biologist?