Water and soil percolating through karst fissures can create a small depression through the process of _______________
Fill in the blank with correct word.
ANSWER: ?dissolution
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Which type of radiation from cosmic sources predominates on the inside of a high-flying commercial airplane: alpha, beta, or gamma?
A. alpha radiation B. gamma radiation C. beta radiation D. None of these predominate as all three are abundant.
It is thought by many economists that market forces will be less effective at minimizing pollution than rigid rules and regulations.
Answer the following statement true (T) or false (F)
"All glacial ice must melt slightly before it can become denser." Evaluate this statement
A) This statement is true; especially in Alaska where summers are warm. B) This statement is true. Glacial ice formed by melting and pressure becomes denser than water. C) This statement is false. Snow can go through metamorphosis to ice over time without melting. D) This statement is false. Glacial snow and ice may melt and reform, but they do not get denser.
________ feedback tends to stabilize systems
A) Negative B) Exponential C) Positive D) Logarithmic E) Neutral