The answer is b...........................
A command economy<span> and a </span>mixed economy<span> are two different </span>economic systems<span>. ... A </span>mixed economic system<span> has features of both a command and a </span>free<span> market</span>system<span>. A </span>mixed economy<span> is partly controlled by the government and partly based on the forces of supply and demand</span>
seasonal movement of animals from one region to another.
"this butterfly's annual migration across North America"
Answer:
Previously, the age of the Moon had been thought to be 4.527 ± 0.010 billion years. The impact in this scenario would have created a magma ocean on Earth and the proto-Moon with both bodies sharing a common plasma metal vapor atmosphere.
Answer:Douglass's speech proclaims that the treatment of African Americans directly contradicts the Declaration of Independence.
Explanation: