Were horses on North America in Ancient times, and if so, were they different than the horses of today? No, Europeans brought horses to North America later in time.
No. Horses were not on North America until the start of the American Revolution.
Yes, but they were larger than the horses of today.
Yes, but they were much smaller than the horses of today.

What factors allowed philip ii of macedonia to conquer the greek city-states?

What happened as agriculture became entrenched in the south ?

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.