Today, the tallest mountain in the Appalachian Mountains is about 2,000 meters in elevation, while the tallest peaks in the Rocky Mountains reach up to about 4,400 meters in elevation.
Explain how the Appalachian Mountains were formed and how they have become so much smaller over time.

Select the correct answer. look at this nineteenth-century illustration of london. which explanation best relates this illustration to changes in britain in the 1800s? a. factory workers in cities lost their livelihood because of the lack of housingb. industrialization narrowed the inccome gap between landowners and workers. c.the migration of workers from rural to urban areas resulted in overcrowded citiesd. the spread of railways allowed farmers to sell produce far from where it was grown.

According to speculation and study, what will happen to the global birth rate in about 40 years? (1 point)

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