D. Marco Polo
Explanation: All of the others where conquistadors from europe who were enlisted by royal families
The answer in the first sentence above is hypothesis because it is defined as having to state a prediction or conjecture in regards about an experiment whereas the second sentence' answer is experimental question because researchers tend to state what they plan to do in regards of their investigation and they do not apply any predictions in the experiment.
Correct Matches:
Element A) a substance that cannot be broken down into a simpler substance
Particle B) a tiny piece of matter
Scientific theory C) an explanation for some naturally occurring event
Atom D) the basic unit of an element
Answer:
The United States shall guarantee to every State in this Union a Republican Form of Government, and shall protect each of them against Invasion;and on Application of the Legislature, or of the Executive (when the Legislature cannot be convened) against domestic Violence.
Explanation:
CHANGE WORDING