Which technological innovation by Henry Ford allowed him to mass produce automobiles quickly and inexpensive

Draw conclusions  why might a cause like italian unification successfully draw people of very different backgrounds together?  

Which of the following could affect the human population? a hurricane makes landfall on an uninhabited island. a deadly virus emerges that can pass from human to human. a civil war breaks out in italy. a solar eclipse occurs.

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.