Answer:
The indiscriminate application of reactive forms of N to soil and water can bring several harms to human health and the environment.
Nitrate is an inorganic compound that has one nitrogen (N) atom and three oxygen atoms (O), and is formed from the action of microorganisms on nitrogen fertilizers, plant debris, manure and other organic waste. Nitrate is usually absorbed by plants, but in some situations it can be carried by rain or irrigation water to the water table and surface water sources (eg rivers, ponds). In rural water sources it comes mainly from nitrogen fertilizers and manure storage and distribution.
Nitrogen fertilizers escaping to lakes and bays can cause water eutrophication (water nutrient enrichment process). As a result, there is a rapid increase in the algal and cyanobacterial population. The death and decomposition of these microorganisms lead to a reduction in O2 levels, which can lead to the death of fish and crustaceans. Decomposition of these species, in turn, will further reduce O2 levels, leading to more deaths.
Excess nitrogen fertilizers may also increase the amount of nitric and nitrous oxides in the atmosphere. Nitric oxide can cause acid rain and nitrous oxide participates in two very aggressive processes to the environment. The reaction of nitrous oxide with O2 contributes to the destruction of the ozone layer in the stratosphere (layer of the atmosphere that filters harmful ultraviolet rays to human health) and increases the greenhouse effect (global warming). The average life of nitrous oxide in the atmosphere is over 100 years and each molecule absorbs more than 200 times the radiation of a single CO2 molecule, which is responsible for 2-3% of global warming due to the greenhouse effect.
The widespread misuse of fixed nitrogen in fertilizers can lead to an imbalance in the oxygen cycle by promoting excessive growth of algae and aquatic plants, a process known as eutrophication.
This, in turn, can cause hypoxic conditions or dead zones where there is insufficient oxygen to support marine life.
Fixed nitrogen is a key nutrient for plant growth and is a primary component of many synthetic fertilizers.
When these fertilizers are used in excess or improperly applied, the nitrogen can run off into nearby water bodies. This runoff carries with it high levels of nitrogen and other nutrients.
In aquatic environments, this nutrient enrichment, particularly of nitrogen and phosphorus, can stimulate the rapid growth of algae and aquatic plants.
The most common type of mechanical weathering occurs when _____.
Someone please help THX
These countries have a coastline.
Andorra
Austria
Denmark
France
Norway
Spain
Switzerland
Answer:
Explanation:
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In the years after turning away from strict communism in the early 1990s, Bulgaria’s economy _____.
Options:
A. suffered from foreign investment
B. went into steep decline
C. experienced the multiplier effect
D. enjoyed dramatic growth
Answer:
B. went into steep decline
Explanation:
Bulgaria's economy contracted after 1989, with the decline of the Soviet Union and, consequently, diminishing access to the Soviet market. During the Cold War, the Bulgarian economy became very dependent on the USSR. The standard of living of Bulgarians fell by 40% from pre-1990 levels, only returning to its former level in June 2004.
The process of transition to a free market economy began following the fall of the communist regime in 1989. In this context, the process began in Bulgaria under particularly unfavorable conditions, due to the poor economic planning of previous decades and the legacy of a sector and ineffective industrial sector as well as systematic neglect of the agricultural sector (currently holding 11% of GDP).
Agriculture has become an important sector of the Bulgarian economy. After the 1996 financial crisis, agriculture was the only sector that grew. This improvement is due to the recovery of low agricultural production up to 1996, estimated at 30%. Agriculture is also a major source of employment in Bulgaria: 23% of the working population works in the agricultural sector. The food processing industry is second in importance, having already accounted for about 21% of total industrial production.
The first Australians came across a land bridge from _____.
the Outback
Tasmania
Southeast Asia
The answer is Southeast Asia. (Gradpoint)
After facing economic difficulty in the early 1990s, Bulgaria’s economy recovered partially due to the _____.
Liam is constructing a square in which two of its vertices are points A and B. He has already used his straightedge and compass to construct the lines and arcs shown. What should Liam do for his next step? Use the straightedge to draw a horizontal line that contains point E. Place the point of the compass on point B and draw an arc that intersects BE¯¯¯¯¯ , using AB as the width for the opening of the compass. Place the point of the compass on point A and draw any arc above it. Use a straightedge to draw AE¯¯¯¯¯ .
Answer:
Place the point of the compass on point B and draw an arc that intersects BE¯¯¯¯¯, using AB as the width for the opening of the compass.
Answer:
Place the point of the compass on point B and draw an arc that intersects BE¯¯¯¯¯, using AB as the width for the opening of the compass.
Explanation:
I took the test
5.) Which Central American country does not have Spanish as its official language?
A.) Belize
B.) Nicaragua
C.) Panamá
D.) Costa Rica
The answer is A belize just took the test got 100
Answer:
Lesson 1 unit 1 spanish quick check
Explanation:
1-5
1. C
2. A
3. A
4. B
5. A
The final two lines of Shakespeare's "Shall I Compare Thee to a Summer's Day?" promises the subject of his sonnet A. an endless summer. B. undying devotion. C. immortality. D. unfading youth.
The answer for this question is immortality.
Which of these locations is the only country in the region that is predominantly Christian?
Myanmar
Philippines
Laos
Thailand
Harry Hess proposed that when two oceanic plates met each other, the denser plate would sink under the less dense plate. This is known as
why does eastern Europe have higher levels of industrial pollution than Western Europe?
During the early 1900s, Britain had a major influence in several countries in the region, including
A. Syria and Egypt
B. Spain and Greece
C. Yemen and Persia
D. Bahrain and Kuwait
Answer:
The answer is option D.
Explanation:
These two nations were available toward the west and since Britain was a main force to be reckoned with because of its industry and its colonization everybody cherished them and needed to work with them since their way of life was seen as something predominant.
How do we know that africa was the birthplace of the earlist humans
Marty McFly is a time-travelling teenager in what trio of films?
Most people in Southeast Asia do which of the following activities for a living?
raise livestock
farm
work in factories
work in tourism
The predominant occupation in Southeast Asia is agriculture, with a significant portion of the population engaged in farming. Traditional methods are still widely used, and crops such as rice and spices are common. Rural-to-urban migration also contributes to a growing number of people working in factories and manufacturing, while tourism provides additional economic opportunities.
Explanation:Most people in Southeast Asia engage in agriculture for a living. Areas like Indonesia, where agriculture accounts for 13% of the GDP and engages about 42% of the workforce, show the significant role of farming in the economy. Traditional agricultural methods such as using water buffalo or oxen are still employed, and crops like rice, spices, coffee, and rubber are cultivated. Additionally, fishing and craftwork in fabrics, prevalent since ancient times, continue to be important labor activities in rural communities.
While farming is a primary activity, there is also a trend of rural-to-urban migration, with many people moving to cities like Saigon to work in factories and manufacturing areas. Nonetheless, agriculture remains the dominant employment sector, with the majority of the population living in rural areas and working the land. Tourism and light manufacturing are other sectors providing employment but to a lesser extent compared to farming.
The primary activity for a living by most people in Southeast Asia is farming, with a significant workforce involved in agriculture. The region's tropical climate facilitates the cultivation of multiple crops annually. Although tourism is also important and industrialization is growing, agriculture remains the dominant occupation in rural areas.
Explanation:Most people in Southeast Asia are engaged in farming as their primary activity for a living. Agriculture has been the historic base of the economy in countries like Indonesia, where it not only contributes to a significant portion of the nation's gross domestic product (GDP), but employs a sizeable portion of the workforce. Traditional agricultural practices are common, with farmers using animals such as water buffalo or oxen for tilling the land. The region's tropical climate and monsoon rains allow for the cultivation of multiple rice crops per year, and staple crops like spices, coffee, tea, palm oil, and rubber are also produced in notable quantities.
Outside of agriculture, tourism plays a key role in the economies of Southeast Asian countries by providing a source of income, especially in areas with scenic beauty that attracts visitors. Nevertheless, farming remains the dominant occupation among the rural populations. Additionally, there has been a shift toward industrialization in places like Thailand and Vietnam, with increasing numbers of people working in factories and light manufacturing operations, particularly in urban areas and special economic zones (SEZs).
The argument that climatic conditions in northwestern Europe led to better human conditions is based on this approach
Which soil layer consists of weathered bedrock material that has not yet been leached or had significant accumulation?
The B horizon soil layer comprises weathered bedrock material which is not yet leached or had significant accumulation.
Explanation:The B horizon is called the subsoil and it contains the weathered rock and less organic matter. It is also referred to as the area of accumulation. The minerals and clay from the upper layers when leached accumulate and settle in this layer.
The accumulation process of material from the top layers is called illuviation. The accumulated material popular in B horizon include silicate, iron, gypsum, clay, humus, aluminum, carbonates, and silica. B horizon is two to three feet deep.
Which statement about a novel's setting is correct? A. It doesn't matter as much as in short stories. B. It tends to be a modern setting in most books. C. It can be as important to a story as a character. D. It rarely changes throughout the stories.
Which land biome has the greatest diversity of plant species and which has the least
The rainforest has the most, with it's 4 layers and thousands of species that inhabit it.
The icy tundra has the least by far.
Answer:
Greatest diversity: Rainforest
Least diversity: Tundra
Explanation:
- Rainforest - also called tropical rainforest or rainforest - is a type of phytogeographic domain characterized by a large amount of rainfall and high levels of biodiversity and evapotranspiration. They account for two-thirds of all the world's biodiversity, so that all measures to preserve the earth's natural environment go through the conservation and control of deforestation of these vegetation units.
Rainforests are located in equatorial areas, ie near the equator line, and in areas near the tropics. It occurs on the American, African and Asian continents, but in Brazil they are called the Amazon Rainforest, Atlantic Forest, and some vegetation groups in the south of the country, such as the Araucaria Forest.
- Tundra is a cold and inhospitable biome with a largely sparse vegetation type. It is considered the coldest biome on earth.
The tundra is present at the top of the northern hemisphere of the globe in the Arctic Circle region. It covers countries such as Russia, Greenland, Norway, Finland, Sweden, Alaska, and Canada.
Considering the tundra climate, we believe it is impossible to live in such a cold region of the planet with such adverse conditions. However, several animals are part of this freezing landscape, where many live in the tundra only in the short summer, migrating to warmer regions in winter.
All of the following are examples of forced migration due to government-imposed expulsion, except __________.
A.
British prisoners being shipped to Australia
B.
millions of Africans being relocated to the Americas as a result of the transatlantic slave trade
C.
Jews in Nazi Germany being relocated
D.
Irish moving to America during the Potato Famine
All of the following are examples of forced migration due to government-imposed expulsion, except Irish moving to America during the Potato Famine. Hence, option D is correct.
What is Irish moving to America?Between 1820 and 1930, up to 4.5 million Irish people are estimated to have emigrated to the United States. Between 1820 and 1860, more than one-third of all immigrants to the United States were Irish.
These "Scotch-Irish" immigrants were expelled from Ireland due to religious conflict, a lack of political independence, and appalling economic conditions. The promise of land ownership and greater religious freedom drew them to America.
Irish immigrants mostly landed in coastal areas like New York, Massachusetts, Pennsylvania, and New Jersey in the 1840s and 1850s, while some also went west to places like Illinois and Ohio.
Thus, option D is correct.
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What do glaciers leave behind when they melt and recede?
The answer is moraines. As the first person answered ...I don't know why he is rated so low
Which of the following processes formed the Andes mountains?
A. Glaciers deposited sediment
B plates converged together to form the mountains
C plates pulled apart to make magma
D sand dunes hardened and became rock
The Andes mountains were formed due to the convergence of two tectonic plates, with one plate sliding beneath another, causing the uplift of the mountains. The correct answer is plates converged together to form the mountains.
The formation of the Andes mountains is attributed to the process of plate tectonics, specifically the convergence of two tectonic plates. As one plate slides beneath another in a subduction zone or two plates collide, the compression forces the land upward, forming mountain ranges. This geological activity is evident in both the Andes and the Himalayas, though they are the result of different types of plate collisions.
The Andes were primarily formed through the subduction of an oceanic plate beneath the South American continental plate, leading to the uplift and formation of the mountain range. Similarly, the Himalayas were created by a continental-continental plate collision between the Indian Plate and the Eurasian Plate.
Why was iron used as ballast when ships came to Australia?
Iron was used as ballast on ships to Australia to ensure the stability of the vessels during their journey, particularly when they were not carrying cargo. It was also a valuable commodity in Australia, being used in the manufacture of tools, weapons, and construction materials. The process of loading and replacing ballast also led to the inadvertent introduction of aquatic species from one port to another.
Explanation:Iron was used as ballast on ships journeying to Australia for several reasons. Primarily, the iron provided stability in the ship. Ballast was necessary on ships to ensure their stability during travel, particularly when they were not carrying cargo. Ships would use water, rocks, or iron as ballast, which was strategically placed at the bottom of the ship to lower its center of gravity and ensure stability even in choppy waters. Iron was a popular choice due to its wide availability and density.
Another major factor was that iron was a valuable commodity in the destination port. During the era of exploration and colonization, iron was extensively used for the manufacture of tools, weapons, and construction materials. Australia, a colony on the rise, had a significant demand for iron. So, the ships would bring iron as ballast, which could then be sold or used in Australia, thus turning a functional necessity into a profitable enterprise.
Furthermore, the process of loading and replacing ballast also inadvertently resulted in the introduction of species from one place to another. For instance, aquatic species native to one port could end up in another continent when a ship dumped its ballast water before taking on new cargo.
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Why did Austria shift alliances in the mid-1700s?
The _______ is the area in which sediment is deposited along the shore. A. cove B. beach C. cave D. headland
True or false ?when more than cultural group lives in an area is called cultural diffusion
Amphibians and most fish release their sex cells into water in a process called _____.
Answer: external fertilization
Explanation: the fertilization of egg and sperm take place outside of the female body rather than inside.
Which is the primary reason that the Australian population is clustered around its major cities?
The economy of the country is dominated by industry.
The inland region is mountainous terrain that is too difficult to inhabit.
People settle in the areas with the mildest climates, and this is where most of the cities then developed.
Answer:
Correct Answer is People settle in the areas with the mildest climates, and this is where most of the cities then developed.
Explanation:
Australia is a country which largest portion of land is Desert or Semi-arid, this region called the Outback is located in the center on the country and because of its climate and extreme conditions, it is inhabited mostly by indigenous group and was historically avoided by the Colonies that preferred to establish mainly in the Southeast coast of Australia.
The Southeast Coast has a more ideal climate for settlements, a temperate climate that contrasts with the Arid and Semiarid climates of the center, in this region the main Cities are located and the vast majority of the population is located. The main cities are Sidney with a population of More than 5 million Melbourne with less than 5 million and Brisbane with 2.5 million, if we take into account the total population is about 23 million we can conclude that these cities located on the East and Southeast coast of Australia, hold the majority of Australia's population.
what is the difference between density and distribution
Density refers to the ratio of an object's mass to its volume, while population distribution describes how individuals are arranged within a population. Density is a constant property, while population distribution can vary in patterns such as random, clumped, or uniform.
Explanation:Density refers to the ratio of the mass of an object to its volume. It is an intensive property that is constant for a particular substance. In biology, population density is the number of individuals per unit area or volume.
On the other hand, population distribution describes how individuals are distributed or spread throughout their habitat. It refers to the pattern in which individuals are arranged within a population. This pattern can be random, clumped, or uniform, and it reflects characteristics of the species or its environment.
For example, a population of insects living in a 1.2-acre area would have a higher density if there are 820 insects compared to a population of flowering plants in a 0.2-acre area with 560 plants. However, the distribution pattern of the insects and plants would determine how they are spread out within their respective areas.
How the location of volcanoes is related to the theory of plate tectonics?
Final answer:
Volcanoes are primarily located at plate boundaries due to processes such as subduction and spreading, as well as at stationary mantle plumes known as hot spots. Plate tectonics explain the distribution and mechanics behind volcanic activity, which is essential for understanding geological features and the history of Earth's surface.
Explanation:
The location of volcanoes is closely related to the theory of plate tectonics, which explains most of Earth's physical features, such as the formation of mountains, valleys, and the distribution of geologic catastrophes like earthquakes and volcanic eruptions. Volcanic activity is predominantly found at specific plate boundaries: convergent boundaries (where subduction zones cause flux melting), divergent boundaries (where decompression melting occurs), and hot spot locations.
While subduction zones see the formation of volcanoes due to an oceanic plate melting as it dives under a continental plate, divergent boundaries experience volcanic activity as tectonic plates move apart, leading to crust spread and magma rising to form new crust. Hot spots, like the one beneath Hawaii, are areas of volcanic activity away from plate boundaries, caused by a stationary mantle plume that creates a series of volcanoes as the tectonic plate moves over it.