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How could they assume the lead level changes are caused by Romans? They are separated by 4600 kilometers. That seems far fetched.
by snambi 8y ago
How could they assume the lead level changes are caused by Romans? They are separated by 4600 kilometers. That seems far fetched.
- noselasd 8y agoNot sure why it's so far fetched ? Romans used industrial processing techniques known to put lead into the atmosphere, while other civilizations at that time did to any large extent not
- snambi 8y agoThe greenland is too far from Rome. The lead levels could be from anywhere on earth.
- llukas 8y agoYou contradict yourself.
- CoolAndComposed 8y agoJust because we know the Romans used lead, doesn't mean they were the only ones or the only possible cause (both unknown unknowns). There's no contradiction, there's an unshared set of assumptions.
- lawlessone 8y agoYeah i think Julius Ceasar global leadening was a conspriacy by China /s
- CoolAndComposed 8y agoHow does that random thought happen?
- 8bitsrule 8y agoWell, your second sentence is true. But since the levels seem to rise and fall with conditions in Rome - a known polluter with known health problems from lead - it is a very likely source of those levels. Scientists create hypotheses on the basis of information available to them; if more information arrives, the hypotheses are (eventually) adjusted accordingly. They're not meant to be taken as absolute assertions.