Which of the following is the conjugate base of water?
A) H3O+
B) NaOH
C) OH-
D) O2-
C
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The UNFAO has demonstrated that forest loss has slowed but ________
A) there will be no forest ecosystems left by 2040 B) all nationally owned forests should be managed by clear-cutting C) to protect forest biodiversity, forested public lands should be closed to recreation D) deforestation is now in equilibrium with new planting E) we still lose forests at the rate of 5.2 million ha/yr
Beaching drifting:
a. is the landward migration of beaches due to rising sea level. b. is the erosion of beaches during storms. c. occurs in the breaker zone. d. occurs because of incomplete wave refraction. e. occurs because of the action of the longshore current.
Net accumulation of a glacier results in glacial advance
Indicate whether the statement is true or false
The NRCS soil classification system has approximately how many different soil series?
a. 10 b. 100 c. 1,000 d. 10,000