A(n) _______________ is a thin, horizontal sheet of magma that solidified beneath Earth's surface
Fill in the blank(s) with correct word
sill
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Why do large, broad beaches have gradual slopes?
a. They have coarse particles. b. There is a minimal transport of sediments back to the ocean. c. They are not in equilibrium. d. They have a large area for wave energy to dissipate.
A(n) ________ is the term used to describe the portion of a resource that has been discovered or inferred with some degree of certainty and can be extracted for a profit.
A. reserve B. gangue C. resource D. ore E. renewable
These deep-sea holothurians (sea cucumbers) and brittlestars obtain food by
1.eating prey that swim past.
2.eating mud and digesting the bacteria and organic matter in it.
3.migrating vertically to the euphotic zone each night.
4.autotrophic means – they photosynthesize.
Oil is a(n) ____.
A. nonrenewable resource because it cannot be formed on human time scales B. renewable resource because it can be renewed through human processes C. inexhaustible resource because it is a form of stored solar energy D. ecosystem service because oil is a valuable commodity E. renewable resource because it can be used to make fertilizers that restore soil fertility