If a diamond is the hardest naturally occurring substance, how can one be "cut"? What will be an ideal response?
It is actually cleaved, along one of its four directions
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Metamorphism takes place:a
in the liquid state, melted by contact with magma. b. in the solid state, with or without fluid activity. c. only at great depth. d. in the liquid state, melted by contact with magma, and only at great depth e. in the liquid state, melted by contact with magma; in the solid state, with or without fluid activity, AND only at great depth
Overfishing did not become an issue until about 100 years ago.
Answer the following statement true (T) or false (F)
One dependent variable in this study is ________
A) the age of the dogs B) the type of food the dogs receive C) the breed of the dogs D) how much the dogs grow
Which region of the earth has warmed almost twice as fast as the global average over the past 50 years?
A. Africa B. Pacific Ocean C. Indian Ocean D. Arctic E. Western Hemisphere