A researcher wishes to study the effects of pesticide use on the quality of surface water in a major rice growing region of Guyana. She proposes to conduct a field survey to (i) obtain information on pesticide application practices used by farmers and (ii) obtain water samples for purposes of laboratory analysis.
Recommend an appropriate sampling technique for this study. Justify.
Give an example of an open-ended question relevant to the study.
Give an example of a closed-ended question relevant to the study.
Give an example of a demographic feature which may be omitted on ethical grounds.
Answers
The appropriate sampling technique for the researcher to study the effects of pesticide use on the quality of surface water in a major rice-growing region of Guyana is systematic sampling. Systematic sampling is one of the most straightforward sampling methods.
In this approach, the researcher first selects a random starting point and then selects every nth member of the population. For the given research, the researcher can choose a starting point randomly, and then go to every nth rice farm to collect data on the pesticide application practices used by farmers. This technique is appropriate because it is unbiased and ensures that every member of the population has an equal chance of being included in the study. Example of an open-ended question: What do you think are the potential effects of pesticides on surface water quality? Example of a closed-ended question: Do you use pesticides on your rice farm? Yes or No.
Demographic feature which may be omitted on ethical grounds: The gender or sexual orientation of the farmer as it may be considered irrelevant and unnecessary to the research study.
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Related Questions
Which of the following are all factors of production? a land, labor, and gross domestic product b labor, service industries, and capital c land, labor, and capital d capital, service industries, and labor
Answers
Answer:
c land, labour and capital
What is the difference between an ocean and a sea? What is the difference between an ocean and a sea? The term sea is used to describe the global, interconnected water body covering 70% of the Earth's surface, whereas oceans refer to the individual basins within this global sea. The term ocean is used in the Northern Hemisphere, and sea is used in the Southern Hemisphere, so the difference results from geographical location. Oceans tend to be composed primarily of salt water, while seas tend to be composed of a near even mixture of brackish and fresh water. Seas are generally smaller than an ocean and tend to be at least partly enclosed by land, such as large, inland, saline water bodies. An ocean is a vast body of water encompassing 70% of the Earth, whereas a sea refers specifically to a large, inland, saline body of water.
Answers
Answer:
an ocean is larger than a sea
How did the mining industry affect future industries in the Indian Territory? A. It encouraged miners and settlers to leave the territory. B. It made it more difficult for railroads to continue to grow. C. It provided a labor force for future oil and natural gas industries. D. It decreased opportunities for new small businesses. Please select the best answer from the choices provided A B C D
Answers
Answer:
(C) It provided a labor force for future oil and natural gas industries.
Explanation:
A:
It can't be A, because if miners and settlers had already made their industry in the Indian Territory, it wouldn't encourage miners to leave the area. Instead, the miners and settlers took control of the territory, and forced the Indians away.
B:
It can't be B, because the mining industry wasn't dependent on railroads; neither were railroads dependent on the mining industry.
D:
It can't be D, because the mining industry actually increased opportunities for small businesses!
Despite the distance between California and Australia, the value of gold
in the 1800s spurred Gold Rushes on both the North American and
Australian Continents which allowed innovations in mining to spread
between the two countries. This is called-
Select one:
a. Convergence
b.Divergence
c.Transmission
d.Outsourcing
Answers
...........
The provocation of Gold Rushes leading to the integration of both the North American and Australian Continents for innovations regarding mining would be called:
A). Convergence
'Convergence' is described as the process of 'merging of distinct technologies or devices into a unified whole.'In the given situation, the coming together of two continents i.e. North American, as well as, Australian continents to work together in the field of mining technology would be called 'convergence.'Since the innovation brought the two continents in unity to work in integration for further development and innovation, it is convergence.Hence, option A is the correct answer.
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Connection between countries of the world who have in recent history
-remained the same
-increased
-decreased
Answers
Answer:
Increased
Explanation:
Due to the innovation in both communication and transportation technology, it is very easy for a person to reach out to other people who live in another country.
As a result, connection between countries were increased rapidly.
For example, now it is easier for local companies to collaborate with foreign supplier to market their product in that foreign countries. Not only that, it is also very easy for people to reach out to a high government officials from another country by using social media.
in usgs topographic maps, what does the scale 1:24,000 mean?
Answers
In USGS (United States Geological Survey) topographic maps, the scale 1:24,000 means that one unit of measurement on the map represents 24,000 units of the same measurement on the ground.
For example, if the map uses inches as the unit of measurement, one inch on the map would represent 24,000 inches on the ground. Similarly, if the map uses meters, one meter on the map would represent 24,000 meters on the ground.
The scale of 1:24,000 is commonly known as the 7.5-minute series or 1:24,000-scale topographic maps. These maps provide detailed information about the terrain, elevation contours, water bodies, roads, landmarks, and other features in a specific geographic area. They are widely used for various purposes, including outdoor activities, land management, urban planning, and natural resource assessment.
It's important to note that different scales of topographic maps exist, ranging from larger scales like 1:24,000 to smaller scales like 1:250,000. The choice of scale depends on the level of detail required for a particular application or area of interest.
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How does Europe rank in population compared to other continents?
Answers
What might a cartographer add to this map to improve it?
A. Map scale
B. Symbols
C. Title
D. Toponyms
E. Latitude and longitude
Answers
A, B, C, and D are either irrelevant or already included.
Answer:
its prob C
Explanation:
The Atlantic Ocean is what direction from Europe?
What direction is the Arctic Ocean from Europe?
Answers
Answer: 1. East 2. south
Explanation:
the gulf stream is a major ocean current. Where does the current travel, and how does it affect climate conditions in Europe?
Answers
Answer:
The Gulf Stream is an intense, warm ocean current in the western North Atlantic Ocean.
Since the Gulf Stream also extends toward Europe, it warms western European countries as well. In fact, England is about the same distance from the equator as cold regions of Canada, yet England enjoys a much warmer climate. If it weren't for the warm water of the Gulf Stream, England would have a much colder climate.
Answer:
The strong current of the warm water is keeping the temperatures in Florida warmer in the winter and cooler in the summer. Since the Gulf Stream also goes toward Europe it warms the western side of Europe countries also.
Explanation:
correct on EDGE <3
Using complete sentences, trace the migration patterns of early humans from Africa to North America. Then, explain the theory of early human migration and the evidence that supports it.
Answers
The migration patterns of early humans from Africa to North America can be traced through several stages.
How to explain the migration patterns of early humans ?It is believed that the first migration out of Africa occurred around 1.8 million years ago when early Homo erectus populations ventured into Eurasia.
Around 70,000 years ago, a significant migration event occurred known as the "Out of Africa" migration. This movement involved Homo sapiens, the modern human species, leaving Africa and spreading across the globe.
These early humans followed various routes, including coastal routes along the Indian Ocean and Arabian Sea, eventually reaching Southeast Asia and the islands of Indonesia and Melanesia.
From there, some early human populations continued their migration across the Bering land bridge, which connected Asia and North America during periods of lower sea levels due to glaciations.
This migration into North America is believed to have occurred around 15,000 to 20,000 years ago. These early humans then dispersed and populated different regions of North America over time.
The theory of early human migration, often referred to as the "Out of Africa" theory or the "Replacement" theory, posits that modern humans originated in Africa and subsequently migrated and replaced earlier human species in other regions of the world.
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on earth why is carbon-based life more successful than silicon-based life? carbon molecule chains are stronger and more stable. silicon molecules chains require higher temperatures to be stable. silicon molecules from rings rather than chains. most of the silicon on earth is locked up in silicate rocks. carbon molecule chains can store, extract, and utilize energy.
Answers
Carbon molecule chains are stronger and more stable which is why carbon-based life is more successful than silicon-based life.
All recognizable life on Earth is mostly made of carbon. On Earth, carbon-based molecules are present in large quantities naturally. The building blocks of complex biological compounds are carbon atoms joined to other elements.
Carbon molecules are simple for enzymes to work with since they are light and compact. In astrobiology, it is generally thought that any extraterrestrial life would similarly be carbon-based. The most crucial properties of carbon as the building block of life's chemistry are that each carbon atom can form up to four valence bonds with other atoms at once, and that the energy needed to form or break a bond with a carbon atom is suitable for creating large, complex molecules that can be both stable and reactive.
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Which mineral is present in all types of igneous rocks (except sometimes ultra-mafic)?
Answers
The mineral is present in all types of igneous rocks biotite, quartz, olivine, amphibole, plagioclase, and K-feldspar.
Ultramafic metamorphic rocks arise from the metamorphism of mantle rocks and some oceanic crusts and contain mainly magnesium, silicon, and carbon dioxide, with minor amounts of iron, calcium, and aluminum.
Ultramafic intrusions include dunite, peridotite, and pyroxene. another rare variety is troctolite, which has a high proportion of calcareous plagioclase. these are classified as anorthosite. gabbros and nitrites often occur in the upper part of the layered ultramafic series.
Basalt and gabbro are the names for mafic igneous extrusions and intrusions, peridotite being ultramafic and komatiite being the equivalent of fine-grained extrusions.
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A ______ surf zone offer more protection from waves because the energy is dissipated over a ______ distance.
Answers
A wider surf zone offer more protection from waves because the energy is dissipated over a longer distance.
As ocean surface waves approach shore, they get taller and break, forming the foamy, bubbly surface called surf. The region of breaking waves defines the surf zone, or breaker zone. After breaking in the surf zone, the waves (now reduced in height) continue to move in, and they run up onto the sloping front of the beach, forming an uprush of water called swash. The water then runs back again as backwash. The nearshore zone where wave water comes onto the beach is the surf zone. The water in the surf zone is shallow, usually between 5 and 10 m (16 and 33 ft) deep; this causes the waves to be unstable.
The surf zone can contain dangerous rip currents: strong local currents which flow offshore and pose a threat to swimmers. Rip-current outlooks use the following set of qualifications.
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NAME THREE COUNTRIES IN THIS REGION THAT HAVE NO CITIES OF AT LEAST ONE MILLION PEOPLE.
Answers
Answer:
In central Asia, the countries of Kyrgyzstan, Tajikistan, and Turkmenistan have no cities of at least one million people.
Explain Russia’s location on the globe and its size. Describe how this has affected the culture of the nation. Be sure to include size, types of landforms, and nationalities of Russian citizens. pls :D
Answers
SouthEast of Mexico. it's big and long and looks like a boot. Also, there are angry men's their and so is always on fire and is big and hot and red and ashy because they are burning things and stuff because of anger.
Explanation:
Took test on Edge
Cataclysmic events such as hurricanes and earthquakes are more stressful than those caused by intentional acts. Group of answer choices True False
Answers
The given statement is False. While cataclysmic events such as hurricanes and earthquakes can indeed be extremely stressful, it is not accurate to say that they are inherently more stressful than those caused by intentional acts. The level of stress experienced in any given situation can vary greatly depending on individual circumstances, personal experiences, and coping mechanisms.
Intentional acts, such as acts of violence or terrorism, can have a profound impact on individuals and communities. These events can lead to feelings of fear, insecurity, and trauma. The deliberate nature of these acts can also create a sense of betrayal and mistrust, which can further contribute to the stress experienced.
On the other hand, natural disasters like hurricanes and earthquakes can result in widespread destruction, loss of life, and displacement of communities. The unpredictability and uncontrollable nature of these events can cause immense stress and anxiety. People may experience feelings of helplessness and vulnerability, as they have little control over the situation.
It is important to recognize that stress is a highly individualized response and can vary from person to person. Some individuals may find natural disasters more stressful due to their unpredictability, while others may find intentional acts more distressing due to the human element involved.
In conclusion, it is incorrect to claim that cataclysmic events are inherently more stressful than those caused by intentional acts. The level of stress experienced in any situation is influenced by numerous factors and can differ from person to person.
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If the amount of water in a stream in flood starts to go down, what will happen to sediments the stream is carrying? What will be deposited and where?
Answers
Define highlands in a simple discriptive way please
Answers
Answer:
Highlands refer to a mountianous region or elevated part of a country.
Explanation:
Example: The Northern Scotland Highlands
hope this helps!
Difference between radiation fog and frost pockets
Answers
Answer:
adiation fog and frost pockets are both related to temperature changes and moisture content in the atmosphere, but they have some differences.
Explanation:
I dont even know how i know it ,, but i hope it help jit .
Which of the following are major elements of a high quality of life?
Check all that apply.
A. Ability to get quality health care
B. Access to effective education
O C. Removal and appropriate treatment of waste
O D. Two-car households
Answers
Answer:
B
Explanation:
If you are effectively learned you can get other three
Which of the following issues is a benefit of globalization? A. a loss of jobs in some industries and sectors B. an increased availability of goods and services C. an increase in the power of corporations D. a loss of cultural diversity
Answers
Answer:
b. an increased availability of goods and services
Explanation:
Answer:
b. an increased availability of goods and services.
Wich of the following angles can you add together to equal angle d
Answers
Answer:
you didn't provide any angles to add
Explanation:
Write 2-3 persuasive paragraphs.
In your opinion is final warning an imminent world threat?why or why not?
Based on your opinion what actions do you believe should be taken to address the global warming issue?
Support your opinions which specific evidence about the sea and about how changes in the worlds climate over the next 100 years if levels of greenhouse gases are not limited?
Answers
To address the global warming issue, we need to take immediate action on a number of fronts. We need to invest in renewable energy sources such as solar and wind power, and we need to make significant improvements in energy efficiency. We also need to reduce our reliance on fossil fuels and transition to a low-carbon economy. This will require a concerted effort from governments, businesses, and individuals around the world. We need to work together to develop innovative solutions to the climate crisis, and we need to take bold action to implement these solutions.
If we do not take action to limit our greenhouse gas emissions, the consequences for the planet will be severe. Sea levels will continue to rise, which will result in flooding of coastal cities and displacement of millions of people. The oceans will become more acidic, which will have a devastating impact on marine life and ecosystems. We will also see more frequent and severe weather events, such as hurricanes, droughts, and heatwaves. These changes will have significant economic, social, and environmental impacts, and they will be felt for generations to come. We must act now to address the issue of global warming and protect our planet for future generations.
Review the map of Asia.
Asia
5
Black Sea Caspian Sea
Turkey
Syria 3 Afghanistan
Iraq
Iran
Saudi
Arabia
Red
Sea 2
Persian
Gulf
N
WE
SI
Mark this and return
Arabian
Sea
Himalayas
Nepal
India 4
Mongolia
Bay
Bengal
China
Thailand
South
China
Sea
Which number on the map shows the approximate place
of origin of the Aryan people?
O 1
O2
O 3
O4
Answers
Answer:
The approximate place of origin of the Aryan people is shown by the number 4 on the map, which is India. Therefore, the answer is D.
coordinates stored using nad 1927 and nad 1983 will always align properly on a map group of answer choices true false
Answers
True, coordinates stored using nad27 and nad83 will always align properly on a map.
What is NAD 1927 and NAD 1983 and how they align properly on a map?NAD 1983 aligns physical location on Earth and is wholly based on geodetic reference system of 1980.NAD 1927 is not Earth's datum is based on the clarke ellipsoid of 1866 and is not used in earth's physical location.Here in the question is said coordinates stored using NAD 1927 and NAD 1983 will always align properly on a map.So it is true, though the the north american datum of 1983 is the horizontal geometric control datum.Hence the coordinates stored using NAD 1927 and nad 1983 will always align properly on a map.To know more about NAD1927 visit:
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Is this statement true or false? brazil is home to 20% of the known living species on earth.
Answers
Answer:
True
Explanation:
Blue-Green Infrastructure is a network of natural a d semi-natural areas that proved: ?
Answers
Blue-Green Infrastructure is a network of natural and semi-natural areas that proved provide improved water quality.
Water elements such as rivers, canals, ponds, wetlands, floodplains, and water treatment facilities are examples of blue infrastructure. Green infrastructure includes trees, lawns, hedgerows, parks, fields, and forests, among other things. These terms are derived from urban and land-use planning.
Green infrastructure captures and treats stormwater at its source, while also providing environmental, social, and economic benefits. Introducing green infrastructure to supplement existing gray infrastructure can improve urban livability and increase community profits. Green infrastructure increases exposure to the natural environment, reduces exposure to hazardous substances and conditions, and promotes recreation and physical activity.
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The liquid in a thermometer __________ and rises when it is exposed to warm air. A. contracts B. boils
Answers
Answer: D
Explanation:
Greenhouse Gases Worksheet
help me pls
Answers
Answer:
1.)second page
1. CO2
2. Million
3. increase
4. human activities
5. deforestation
6. fuels
7. oil
8. oxygen
9. deforestation
10. increase
11. 2050
2.) sorry I'm out of time I can't answer this part sorry :( this is page 2
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
3.)
1.chemicals
2.Radiation
3.increasing
4.trapping