Running water is the most effective method of erosion
a. True
b. False
True
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Where did the atoms that make up a newborn baby originate?
A. in the earth through geological processes B. in the explosions of ancient stars C. in the digestion of the food that the mother ate D. in the womb of the baby's mother
The method that is used most frequently to investigate sediment and rock layers of the sea floor is ________
A) direct observation B) drilling C) light waves D) satellite observation E) sound waves (specifically seismic reflecting profiling)
Early Earth would have been inhospitable to many life forms of today because
A. the seas were warmer. B. the atmosphere lacked oxygen. C. the sunlight was weaker.
Where are we loctated in the milky way galaxy?
a. center b. halo c. spiral arms (called the Orion Arm) d. bulge (disk) e. none of the above