Which of these men is most closely related to the theme of science and technology?

Which were the most important issues during the presidential election of 2008? economic downturn and environmental protection two overseas wars and economic downturn two overseas wars and campaign spending environmental protection and campaign spending

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.

Powers of states the first letter of the answer is r.