Which statement best describes the role of gold in Ghana’s wealth and power? Gold could be traded for salt, which was used to preserve food and maintain health.

Salt could be mined and then traded for gold to make Ghanaian jewelry.

Gold provided a form of currency that could be used to buy iron for weapons.

Gold and salt were used to buy ships that could be used for trade across the Mediterranean.

How are diamonds and graphite the same? how are they different? a. both diamonds and graphite are made entirely out of carbon. they are different because the carbon atoms are arranged differently with a more three-dimensional structure in diamonds and flat layers in graphite. b. both diamonds and graphite have atoms that are arranged with flat layers. they are different because only graphite are made entirely out of carbon. c. both diamonds and graphite have atoms that are arranged with three-dimensional structures. they are different because only diamonds are made entirely out of carbon. d. diamonds and graphite have no similarities. they are different because the carbon atoms are arranged differently with a more three-dimensional structure in diamonds and flat layers in graphite.