Most stream valleys have a V shaped cross section because ________
A) mass wasting of weathered rocks on the slope maintain an angle of repose slope.
B) vegetation on the slopes forces this profile.
C) water washing down the slope makes straight channels.
D) none of the above
A
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Answer the following statement true (T) or false (F)
Which kind of mineral tenacity refers to a mineral being deformed by being hammered without breaking?
A) Malleable B) Sectile C) Fibrous D) Elastic
Which of the following is true of lipases?
A) They hydrolyze lipids. B) They are soluble in the gastrointestinal tract. C) both a and b D) neither a nor b
The damage done in New Orleans by Hurricane Katrina was mainly a result of ________
A) flooding from the failure of levees B) heavy rainfall C) very high winds D) accompanying tornadoes E) the subtropical high