Amain sequence star becomes a after it uses up the hydrogen in its core.
a.
nebula
c.
black hole
b.
supernova
d.
giant

Describe the factors that led to the truman doctrine as well as how the doctrine affected the us foreign policy

Identify one specific example of how the enlightenment characterized a change in economic thought from the past

Examine these two paintings that depict famous events from american history. the image on the left, painted in 1940, shows the signing of the u.s. constitution in 1787. the image on the right, painted in 1836, shows the american victory at the battle of yorktown in 1781.which of these paintings should be considered a secondary source?