D. Has changing conditions as the ocean alternates between high and low tides.
The correct answer to this open question is the following.
Although there are no options attached we can say the following.
The President presents an award to the artist who created a statue in
honor of the 500th anniversary of Christopher Columbus' voyage to
America. The president's role is the Chief Executive.
As the leader of the executive branch, the President of the United States has many roles.
He is the Chief of the State. He is the commander-in-chief of the US armed forces(Army, Navy, Air Force, and Coastal Guard). He is the Chief of State. He has the power to appoint the members of his cabinet. And he is the Chief Diplomat.
The correct answer for this question is "a. the aztecs spread diseases like smallpox to wipe out enemy populations." The statement that was not a significant factor in the aztecs' expansion of their empire is that the aztecs spread diseases like smallpox to wipe out <span>enemy populations.</span><span> </span>
Its membership dropped sharply, Started at 60,000 members in 1919,down to 24,000 by 1928.