Current estimates place the age of the universe at about ________
A) 14 billion years B) 4 1/2 billion years C) 10 million years D) 10 billion years
A
Physics & Space Science
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Pulsars are rotating white dwarfs.
Answer the following statement true (T) or false (F)
Physics & Space Science
Earth's early life forms were marine organisms. Life moved to the land during the
A) Cambrian period. B) Ordovician period. C) Silurian period. D) Triassic period.
Physics & Space Science
What are coronal holes?
What will be an ideal response?
Physics & Space Science
Which object is hotter?
A. Object 2 at T = 0° F B. Object 1 at T = 0° C C. Object 3 at T = 0 K
Physics & Space Science