Although conditions have changed markedly relative to agriculture in the southern United States and industry in the northern United States, the largest concentration of African-American population remains in the American South.
Answer the following statement true (T) or false (F)
True
You might also like to view...
Ecological succession proceeds in an orderly fashion from primary to secondary.
Answer the following statement true (T) or false (F)
Pure white sunlight contains all of the colors of the visible light spectrum
Indicate whether the statement is true or false
Metamorphism that occurs when rocks are exposed to the pressure and extreme temperature associated with intruding magma is known as
A) contact metamorphism. B) regional metamorphism. C) intrusive metamorphism. D) extrusive metamorphism.
Quartz has a characteristic conchoidal fracture, yet rock shops often sell quartz as elongate six sided objects with a pointed termination. What causes this shape?
A) The planar faces that form the object are crystal faces that grow when the crystals grew into a void. B) Quartz usually is amorphous, consistent with its conchoidal fracture, but when it grows it grows against minerals with planar faces, causing this shape. C) You should never buy a crystal like this because it is clearly fake, only artificial crystals grow this way. D) The rock shop cuts them that way with abrasives. The facets are cut to give the crystals more "power" for the crystal people.