Which of the following best completes the chart?

A.
E-commerce is slow and frustrating, so people still prefer to shop in stores.

B.
E-commerce is a large and growing sector of the global economy.

C.
E-commerce is dangerous to consumers and requires heavy regulation.

D.
E-commerce has failed to connect producers and consumers all over the world.

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.