How did galileo's findings with the telescope disprove the ptolemaic theory?
a. he observed that not all heavenly bodies moved around the earth.
b. he observed the surface of the moon was mountainous rather than smooth.
c .the movements of jupiter's moons proved kepler's elliptical orbits true.
d. the location of sunspots proved that the copernican model was factual

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.

Which best describes how president kennedy apples to the audiences at the beginning of his speech?

What are the contributions of the byzantine empire