The department of commerce of the United states is the department of the government (ministry) of the United States dedicated to the promotion of the economic growth of the country. Originally created on February 14th, 1903, as the Department of Commerce and Labor of the United States and renamed on March 4th, 1913 as it is known today.
The department´s mission is "<em>To promote the creation of jobs and improve the standard of living of all Americans through the creation of infrastructures that promote economic growth, technological competitiveness and sustainable development". </em>Among its tasks is the preparation of economic and demographic growth data for decision making of trade and government, the issuance of patents and trademarks, and assist in the preparation of industrial standards.
The department is currently managed by the secretary of Commerce of the United States.
Answer:
You inform the reader by giving the reader valuable, reliable facts, and sources.
Explanation:
Answer:
Air pollution harms human health and the environment. In Europe, emissions of many air pollutants have decreased substantially over the past decades, resulting in improved air quality across the region. However, air pollutant concentrations are still too high, and air quality problems persist. A significant proportion of Europe’s population live in areas, especially cities, where exceedances of air quality standards occur: ozone, nitrogen dioxide and particulate matter (PM) pollution pose serious health risks. Several countries have exceeded one or more of their 2010 emission limits for four important air pollutants. Reducing air pollution therefore remains important.
Air pollution is a local, pan-European and hemispheric issue. Air pollutants released in one country may be transported in the atmosphere, contributing to or resulting in poor air quality elsewhere.
Particulate matter, nitrogen dioxide and ground-level ozone, are now generally recognised as the three pollutants that most significantly affect human health. Long-term and peak exposures to these pollutants range in severity of impact, from impairing the respiratory system to premature death. Around 90 % of city dwellers in Europe are exposed to pollutants at concentrations higher than the air quality levels deemed harmful to health. For example, fine particulate matter (PM2.5) in air has been estimated to reduce life expectancy in the EU by more than eight months. Benzo(a)pyrene is a carcinogenic pollutant of increasing concern, with concentrations being above the threshold set to protect human health in several urban areas, especially in central and eastern Europe.
"Air pollution is causing damage to human health and ecosystems. Large parts of the population do not live in a healthy environment, according to current standards. To get on to a sustainable path, Europe will have to be ambitious and go beyond current legislation."
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Answer:
B. are more common in natural systems altered by human actions
Explanation:
Positive feedback loops: The term "positive feedback loops" is referred to as a phenomenon that is responsible for amplifying or enhancing changes and therefore due to this, a system moves away from the state of equilibrium state to make it unstable on a large scale.
In the question above, positive feedback loops are considered more common in the natural systems that are being altered by human actions.
Example:
1. When an employee models good behavior.
2. When a colleague meets or exceeds goals.
Answer:
So the federal government passed the Pacific Railroad Act that provided land grants to railroads. This provided public lands to railroad companies in exchange for building tracks in specific locations.The federal government hoped the railroad profits would be reinvested for further expansion.
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