15. how can you determine that a star is about to turn into a red giant?
tces
srams
a. when the pressure inside the star exceeds its temperature
b. when a large amount of hydrogen has been turned into helium
c. when a large amount of helium has turned into hydrogen
d. when the star falls into the sun
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He u.s. constitution (1787) establishes a national legislature with powers to “create national law”, a national executive with the power to “enforce national law”, and a national judiciary branch with the power to “interpret national and state policies” to see whether or not they violate the national constitution. this term describes the division of governmental authority into semi-independent bodies?

Which statement describes a similarity between the great migration and to this day

Select the correct answer. how did powerful families such as the medici and the sforza spread renaissance ideas? a. they provided financial support to young artists and writers. b. they educated the poor children living in their own city-states. c. they constructed schools and colleges to teach the humanities. d. they borrowed money from banks to invite foreign artists to italy. e. they promoted contemporary works over religious works.