How do astronomers know that asteroids are left over debris from the solar nebula?
What will be an ideal response?
Answer: The combined mass of all asteroids is now estimated to be less than Image of Earth.
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What type of bond enables water molecules to stick together?
A) covalent bond B) molecular bond C) hydrogen bond D) atomic bond
What was the primary reason that the beaver and songbird populations were also diminished from the area?
A) The wolf population was feeding on the beaver and songbirds. B) The rivers were full of sediment, making it difficult for beaver to swim and songbirds to drink water. C) The elk population was feeding on the beaver and songbirds. D) The temperatures in the area were warming, making it difficult for the beavers and songbirds to survive in warmer weather. E) The plants that the beaver and songbirds ate were diminishing, because of the elk's increased herbivore pressure.
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
European explorers traveled from island to island decimating islanders and disrupting their cultures
Indicate whether the statement is true or false