A population in the post-industrial stage would be expected to have ________
A) population size, birth rates, and death rates rising
B) a sex ratio skewed in favor of females
C) lower birth rates but much higher death rates and environmental impact
D) birth and death rates at low stable levels
E) an age-distribution diagram that is pyramidal with a broad base
D
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In order for livestock to be considered organic, ________
A) animals must be reared under natural conditions in intact ecosystems B) animals must be fed 100% organic agricultural feed C) no vitamins and mineral supplements can be used D) hormones and antibiotics are permitted, but not vaccines E) animals cannot be transferred from regular treatment to organic standards
Before a cold winter night in Florida a citrus farmer chooses to sprinkle his fruit with water in order to warm the fruit so it survives the night. Which of the following processes explains why this strategy warms the fruit?
A. latent heat of evaporation B. latent heat of condensation C. latent heat of evaporation D. latent heat of deposition
A huge GMC truck and a Honda Civic traveling at the same speed collide head-on. The collision force is greatest on the
A. Honda. B. GMC. C. same on both D. no way to say
Discuss two ways in which desert pavement could form over time
What will be an ideal response?