A rock consists of small but well-formed, randomly oriented, intergrown silicate-mineral crystals. Which type of rock is it: igneous, metamorphic, or sedimentary?
What will be an ideal response?
Igneous
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As climate change continues, we expect that the countries with the ________
A) fewest resources will experience the lowest impacts B) largest coastlines will experience the greatest impacts C) greatest resources will experience the greatest impacts D) fewest resources will experience the greatest impacts
Placement of impermeable materials below a landfill may, in wet climates, lead to excess accumulation of leachate and eventual overflow from the site.
Answer the following statement true (T) or false (F)
Which type of agriculture is most characteristic of more-developed countries?
A. plantation agriculture B. traditional intensive agriculture C. traditional subsistence agriculture D. industrialized agriculture E. sustainable agriculture
Which should be larger, the potassium atom, K, or the potassium ion, K??
A. The potassium atom and the potassium ion are exactly the same size and only differ in charge. B. The potassium ion, K?, is larger since it has an extra electron which increases its size. C. The potassium atom, K, with an additional shell of electrons is larger. D. The potassium ion, K?, is larger since charging an atom always makes it larger.