A(n) ____ is a single conjecture that can be tested.
A) hypothesis
B) paradigm
C) natural law
D) model
E) theory
Correct Answer:
Verified
Q1: Tycho Brahe's greatest contribution to astronomy was
A)his
Q3: The semimajor axis of an ellipse is
A)the
Q4: A(n) _ is a commonly accepted set
Q5: Galileo's telescopic discoveries of mountains on the
Q6: Spring tides occur
A)at new Moon and first-quarter
Q7: The Copernican system was no more accurate
Q8: The geometry of an ellipse is described
Q9: A(n) _ is a small circle whose
Q10: Ptolemy's model of the universe
A)was heliocentric.
B)included elliptical
Q11: _ occur when the Moon is first
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