the cbr has declined rapidly since 1990. Identify the two strategies that have been successful in reducing birth rates and explain why they have been successful. 2 reasons.

17. the soil erosion pictured here is the result of what? a. harvesting renewable resources at a rate greater than the sustainable yield b. a mudslide caused by excessive rains c. harvesting renewable resources at a rate lower than the sustainable yield d. the transition between geologic eras and eons