These surface features from Mars, also found on Earth are
A. valleys.
B. sand dunes.
C. mountain ranges.
D. river channels.
Answer: B
Environmental & Atmospheric Sciences
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A) Britain and France B) Germany and Russia C) Greece and Italy D) Portugal and Spain E) Romania and Yugoslavia
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Which country suffered from genocide in the early twentieth century by the Turks?
A) Azerbaijan B) Armenia C) Georgia D) Nagorno-Karabakh E) South Ossetia
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Which slender, conical speleothem grows from water dripping from the ceiling of a cavern?
What will be an ideal response?
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In the scientific method, a hypothesis is a(n)
a. observation b. measurement c. test d. proposed explanation
Environmental & Atmospheric Sciences