When a rock undergoes __________, such as frost wedging, it is broken into smaller and smaller pieces.
a) chemical weathering
b) mechanical weathering
c) dissolution
d) lithification
e) oxidation
Ans: b) mechanical weathering
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There are six Criteria Pollutants.
Answer the following statement true (T) or false (F)
What term refers to a combination of related parts that interact in an organized manner?
a. system b. hypothesis c. theory d. uniformitarianism e. scientific method
?How can transportation infrastructure shape the growth of cities?
Fill in the blank(s) with the appropriate word(s).
Which of the following statements is false?
a. In the process called speciation, one species splits into two or more different species. b. Geographic and reproductive isolation occur in sequence. c. Sooner or later all species become extinct. d. By definition, the fittest animals are the largest and strongest animals. e. Difference environmental conditions lead to different selective pressures.