What evidence did scientists use in greenland to study atmospheric conditions during the viking settlements?

The evidence that the scientists made use of in Greenland when studying the atmospheric conditions during the tomes of the Viking settlements are the air bubbles in which they had trapped in ice cores and had studied its effect and results.

the money supply is the total amount of money available in the economy. how do changes in the money supply affect people and businesses?

it´s related to his charming character.

beauty is not everything, although we can joke that girls only care about the physical or material aspect, the truth is that a real woman looks at more important things, besides intelligence and personality, there are other attitudes that make irresistible to men who are 'unattractive'.

for example develop your sense of humor.