Their members become more privatized and less incorporated into the wider community. As competition and consumerism become more widespread, the traditional household, especially in its extended forms as institutions of micro-hierarchy, become eroded.
Answer: Pollution may muddy landscapes, poison soils and waterways, or kill plants and animals. Long-term exposure to air pollution, for example, can lead to chronic respiratory disease, lung cancer and other diseases. Toxic chemicals that accumulate in top predators can make some species unsafe to eat. Pollution can also damage crops and trees in a variety of ways. Ground level ozone can lead to reductions in agricultural crop and commercial forest yields, reduced growth and survivability of tree seedlings, and increased plant susceptibility to disease, pests and other environmental stresses (such as harsh weather)
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A lot of times, this is called "parallelism". This affects the tones by making the speech all the more emotional, because it reminds the people about that word.
