The world's annual ________ is currently approximately 1.2 percent, at which rate the world's population is projected to double in about 54 years
A) natural increase rate (NIR)
B) life expectancy rate (LER)
C) crude birth rate (CBR)
D) life increase rate (LIR)
E) natural expectancy rate (NER)
Answer: A
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Which area would be most likely to have a thick regolith with immature soil?
A) a steep, eroded slope B) a high plateau C) a gently sloping plain D) the base of a steep, eroded slope
Fortunately, logging, slash-and-burn agriculture, and civil war have not impacted the Congo basin.
a. true b. false
Which animal is considered to be a suspension feeder?
A) Fish B) Sea stars C) Sponges D) None of these choices
Rounding of angular edges of rock outcropping and formation of insitu, spherical boulders are both indications of ________
A) chemical weather and associated spheroidal weathering B) humans and animals walking across the Earth's surface, wearing away the surface C) rock fall onto sharp edges breaking of angular corners of rock outcrops D) dissolution of the rock surface by acid rain