What type of rock is formed from a pre-existing parent that has been subjected to a change in its environment?
Answer: Metamorphic
Environmental & Atmospheric Sciences
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What is the ingredient found in topsoil that's necessary for plant growth?
A. surface litter B. air C. mineral matter D. humus
Environmental & Atmospheric Sciences
After gravity, the major cause of mass wasting is:
a. slope angle. b. weakening by weathering. c. overloading. d. vegetation loss. e. increased water content
Environmental & Atmospheric Sciences
Slopes that drop or rise sharply in elevation are
A. plains. B. steep. C. contours.
Environmental & Atmospheric Sciences
Chymotrypsin has 251 stereocenters. What is the maximum number of stereoisomers possible for a molecule with this number of stereocenters?
A) 251 B) 2 x 251 C) 2251 D) 10251
Environmental & Atmospheric Sciences