Graphite is an interesting material, an allotrope of carbon (as is diamond). It displays properties of both metals, and nonmetals. However, like a metal, graphite is a very good conductor of electricity due to the mobility of the electrons in its outer valence shells.
Arizona, Hawaii, American Samoa, Puerto Rico and the Virgin Islands donât participate in daylight saving. Indiana used to be split, but opted for daylight saving in 2005.
Formerly used daylight saving. Most areas in North America and Europe, and some areas in the Middle East observe daylight saving time (DST), while most areas of Africa and Asia do not. In South America most countries in the north of the continent near the equator do not observe DST, while Paraguay and southern parts of Brazil do.