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Home Q & A Board Science-Related Homework Help Physics Astronomy
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Sakura Sakura
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6 years ago
Spring tides occur
 
  a. at new Moon and first-quarter Moon.
  b. at first quarter and third-quarter Moons.
  c. at new Moon and full Moon.
  d. at third-quarter and full Moons.
  e. at noon and midnight.

Question 2

The Kelvin temperature scale is measured in degrees.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 3

Retrograde motion (east to west among the stars) is observed
 
  a. for some planets as Earth passes between that planet and the Sun.
  b. for the Sun during the entire year.
  c. for Earth's Moon during an entire month.
  d. None of the other choices are correct.

Question 4

Blue stars emit most of their energy at shorter wavelengths than red stars.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 5

A(n) ____ is a single conjecture that can be tested.
 
  a. hypothesis
  b. paradigm
  c. natural law
  d. model
  e. theory

Question 6

An atom is ionized if one of its electrons jumps to a higher energy level in the atom.
 
  a. True
  b. False
  Indicate whether the statement is true or false
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mas0375mas0375
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#1
6 years ago
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Sakura Author
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#2
6 years ago
What an awesome place to get free homework help
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#3
6 years ago
What makes it awesome is that you posted, thanks for trusting us
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