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ELEN [110]
3 years ago
7

Air pollution in US National Parks is effecting the environment in what way(s)?

Geography
2 answers:
Archy [21]3 years ago
7 0
It causes health problems for people and animals and it's harmful to plants and wildlife in which the air, water and earth is effected.
marin [14]3 years ago
3 0

Answer:

Almost all national parks in the US they have environmental pollution problems that include unhealthy oxygen, cloudy skies, damage to nature and the effects of climate change (drought, snow cover reduction and an increase in forest fires).

Explanation:

California may have the most polluted national parks, but its leadership in environmental matters could become the best equipped state to deal with the problem, as it has supported strict air quality limits. The Regional Turbidity Rule of the Environmental Protection Agency requires states to improve visibility and environmental quality in parks by 2064. This improvement can be achieved by reducing emissions of harmful pollutants, a measure that the Earth continues to heat up.

However, smog includes ground-level ozone and particle pollution, it is still a nightmare. Ground-level ozone, a difference from that found naturally in the stratosphere, is an invisible secondary pollutant that results from reactions between chemicals emitted by vehicles and power plants, and they are present in paints and gasoline. These reactions are accelerated by heat. Forest fires also help increase smog. The health problems that cause this include cough, throat and chest irritation, and can aggravate specific respiratory conditions.

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3 years ago
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To force a bill out of committee, a/an _______ petition must be signed by a majority of the representatives.
nasty-shy [4]
To force a bill out of commnittee, a DISCHARGE petition must be signed by a majority of the representatives.

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Since 1970, fertility rates have
Fiesta28 [93]

Since 1970, fertility rates have declined in both more developed and less developed countries.

Explanation:

The fertility rates have had some big swings, both up and down in the past century. Everyone is familiar with the ''baby boom'' period, when the fertility rates around the world all skyrocketed, which resulted in rapid growth of the global population. This all started to change though, and from the 1970's onward the fertility rates have started dropping and still do.

It is not just the developed countries that experience this trend, but the less developed as well. The differences is mainly that the developed countries have fertility rates that are below the sustainability point, while the less developed still have relatively high fertility rates and their population still grown. In the manner in which things are going, it is expected that the global population will stop growing in about two or three decades.

Countries that have low fertility rates are:

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Countries that have relatively high fertility rates are:

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