Answer:
Overpopulation, overcrowding, pollution, disease outbreak, slower birth rates, lower national increase rate.
Explanation:
As more people move into cities, the population density will increase and people will crowd together. This will cause increased rates of disease and pollution.
Answer:
Surface currents and deep-water currents
Explanation:
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Answer:
Biological diversity, or biodiversity, refers to all of the variety of life that exists on Earth. Biodiversity can be described and measured at three different levels: species, genetic, and ecosystem diversity. Species diversity refers to the number of different species in an ecosystem or on Earth as a whole.
Explanation: