> "Well here is a graph that shows B is hovering around 0 from 1628 to 1945 and has risen dramatically since then"
Ah. That also answers my other questions. Talking about data from the 1600's doesn't really inspire confidence that it has any relevance to today, but talking about a trend that held from the 1600's through to just recently (for varying levels of 'just recently') has more weight behind it.
Ah. That also answers my other questions. Talking about data from the 1600's doesn't really inspire confidence that it has any relevance to today, but talking about a trend that held from the 1600's through to just recently (for varying levels of 'just recently') has more weight behind it.