Multiple Choice
Which term best completes this definition? An attempt to explain why a law exists is a(n) ________.
A) experiment
B) law
C) theory
D) model
Correct Answer:

Verified
Correct Answer:
Verified
Q9: Match the element with its symbol.<br>-Potassium<br>A)Po<br>B)Pd<br>C)Pt<br>D)K<br>E)Pu<br>F)Pa<br>G)P
Q10: The earth, taken together as a unit,
Q11: A compound is a pure substance made
Q12: It is scientifically proper to construct a
Q13: Match the substances with their classification.<br>-sugar<br>A)heterogeneous mixture<br>B)element<br>C)homogeneous
Q15: Match the element with its symbol.<br>-Palladium<br>A)Po<br>B)Pd<br>C)Pt<br>D)K<br>E)Pu<br>F)Pa<br>G)P
Q16: Match the substances with their classification.<br>-sand and
Q17: Which of the following represents a physical
Q18: Match the definition with its term<br>-Mothballs subliming<br>A)model<br>B)law<br>C)hypothesis<br>D)experiment<br>E)chemical
Q19: Match the substances with their classification.<br>-Diamond<br>A)heterogeneous mixture<br>B)element<br>C)homogeneous