Answer:
C
Explanation:
in bartering it's hard to distinguish a common measure of value, for example one mans trash is another mans treasure, but thanks to money having a set worth in all country's, it makes it a more viable option.
Realised that the physical and chemical properties of elements were related to their atomic mass in a 'periodic' way, and arranged them so that groups of elements with similar properties fell into vertical columns in his table.
The biggest change America underwent during the 1950s was the evolution of suburbia, with many people shifting from city life to suburban life. This led to the creation of the Interstate Highway System (ex. Seattle's I-90) and a decline in home prices. Fast food and roadside hotels became very popular with the Interstates. The low costs of homes allowed for consumer culture, leading to swankier cars and fashion.
A supernova explosion in our Galaxy, visible even in daylight was recorded faithfully by Chinese astronomers in the sung dynasty 1054 a.d.
