Aquifers are made up of gravel and sand characterized by holes and channels, like the pores of a sponge. They hold water that has accumulated over thousands of years. The water moves through the pores of the aquifer rock very slowly. Using this information, what can you predict about our ability to clean up aquifers polluted by pesticides, herbicides, and other toxic chemicals

Answers

Answer 1

Answer:

It turns really difficult -and expensive- to clean or revert the situation of a polluted aquifer, if not impossible.

Explanation:

Once an aquifer has been polluted it turns really difficult -and expensive- to clean it or revert the situation. Because groundwater, together with pollutants, moves slowly through the aquifer, contamination may remain undetected for many years. Once pollution is detected, it might be impossible to predict its expansion and extension underground. Besides, aquifers are connected, so a polluted aquifer may easily contaminate another one.

Different techniques can be applied to clean an aquifer; however, these are so expensive that almost nothing can be done to clean it up.

The contamination source, if detected, can be cut off, but the polluted area is hardly recovered.  


Related Questions

NPL also gives services of accurate time-keeping. is it true or false​

Answers

Answer:

it's true

Explanation:

Indian standard time is maintained by National Physical Laboratory

importance of scientific discoveries​

Answers

Answer:

Scientific knowledge allows us to develop new technologies, solve practical problems, and make informed decisions — both individually and collectively. Because its products are so useful, the process of science is intertwined with those applications: New scientific knowledge may lead to new applications.

I HOPE THIS WILL HELP YOU, HAVE A GREAT DAY:)

Discovery helps you find out what changes and improvements need to be made, it also helps you streamline and prioritize those changes, determining which requests are most important and how to meet everyone's needs and wants.

This map shows the location of the Sumatra Earthquake of 2004 and the aftershocks.
What is most likely inferred about the aftershocks, based on this map?

A. They were mainly large and some could be considered earthquakes on their own.
B. They were felt for many weeks after the original earthquake.
C. They were concentrated in one area of the Indian Ocean.
D. They were mainly small and unable to be felt by most people.

Answers

Answer:

Earthquakes occur in the crust or upper mantle, which ranges from the earth's surface to about 800 kilometers deep (about 500 miles).

The strength of shaking from an earthquake diminishes with increasing distance from the earthquake's source, so the strength of shaking at the surface from an earthquake that occurs at 500km deep is considerably less than if the same earthquake had occurred at 20 km depth.

Also, the depths of earthquakes gives us important information about the Earth's structure and the tectonic setting where the earthquakes are occurring. The most prominent example of this is in subduction zones, where plates are colliding and one plate is being subducted beneath another. By carefully plotting the location and depth of earthquakes associated with a subduction zone, we can see details of the zone's structure, such as how steeply it is dipping, and if the down-going plate is planar or is bending. These details are important because they give us insight into the mechanics and characteristics of the deformation in the subduction zone.

Within continents, and along continental plate boundary transform faults such as the San Andreas, faults are only active in the shallow crust - perhaps to depths of approximately 20 km.

Accurately determining the depth of an earthquake is typically more challenging than determining its location, unless there happens to be a seismic station close and above the epicenter. So generally, errors on depth determinations are somewhat greater than on location determinations.

Answer:

B. They were felt for many weeks after the original earthquake

Explanation:

I took the test and this is the correct answer :)

HELP!!! WILL MARK BRAINLIEST!!

Which are examples of climate’s impact on the natural character of a location?

SELECT ALL THAT APPLIES. NOT JUST ONE. MOVE ON IF YOU DON'T KNOW PLEASE THANK YOU!!

A. a year-long drought

B. solar radiation

C. the amount of total precipitation

D. accrued snowfalls in mountainous areas

Answers

Answer:

the amount of total precipitation

Look at the map. Which answer best describes the income level of Central America?
A. Mainly upper-middle income
B. Mainly high income
C. Mainly low income
D. Mainly lower-middle income

Answers

Answer:

B

Explanation:

dark blue all over the continent

Answer:

Mainly lower-middle income

Explanation:

centra america is the littel bit between mexico and south america

the correct answer is the yellow one.

3
Drag each tile to the correct box.
Which economics term does each scenario describe?
diversified economy
specialization
single-resource economy
A nation rich in precious gen/Stones just exports diamonds
to be made into necklaces, rings, and other jewelry.
>
A nation with many pineapple plantations exports fresh
pineapples, canned pineapples, and pineapple products.
A nation with several climate zones exports almonds,
cranberries, corn, wheat, and peaches.
Reset
Next

Answers

Answer:

3.

Diversified economy ==> A nation with several climate zones exports almonds, cranberries, corn, wheat, and peaches.

Specialization ==> A nation rich in precious gem/stones just exports diamonds to be made into necklaces, rings, and other jewelry.

Single-resource economy ==> A nation with many pineapple plantations exports fresh pineapples, canned pineapples, and pineapple products.

Explanation:

Each of these economies differ from each other greatly.

16. How do microplastics found on the ocean floor end up in people's bodies?
A. Coral reefs fail to break down the microplastics, and they end up back on beaches.
B. Humans eat sea salt containing the microplastic.
C. Humans scuba dive in areas where microplastics are visible.
D. Acid rain reacts with plastics on the ocean floor and releases them into the air.

Answers

Answer:

B

Explanation:

please mark brainliest if correct thanks

Answer: B.

Explanation: hope this helps

Matriarchal" is best defined as a __________.
A.
pattern of ethnic settlements in Central Europe
B.
matrix of ethnic symbols engraved in an arch
C.
domination of a government or social group by females
D.
collection of materials used only by a particular ethnic group

Answers

Answer: domination of a government or social group by females

Explanation:

Matriarchy refers to the social system whereby women the primary power positions are held by the women in the society. These positions can relate to social privileges, roles of political leadership etc.

Matriarchal is a domination of a government or social group by females. An example of the matriarchal society is the Mosuo of China where inheritance is passed down through the female line. In these society, the women also have their choice of partners.

Answer:

C

Explanation:

Edge2021

Does the news today aim to inform people or entertain people?​

Answers

Both. It all depends on what information is given out to the public. Use a deadly virus for example. Is the news trying to inform us to make us get a laugh out of it or are they trying to educate us and let us be cautious about our surroundings? Some news often throw in information to make us laugh a bit. But most of the time it’s important news.

When there is competition for land, what are some things stakeholders can do to have their voices heard?

Housing development is a solution to increasing housing demand with the rise in population, but this cannot be achieved without causing various environmental impacts. If you lived in Georgia, would you want this land to be developed or preserved? Why?

Answers

The land should not be developed.

The stakeholders can do shutdown their businesses and stop doing business activities to have their voices heard. This piece of land should not be developed, it can be preserved because this is the only land left where the organisms live.

If this land is also developed, then the extinction of animals occurs and the whole biodiversity is eliminated from that area so in my opinion, the land should be preserved for the animals so it is recommended that the land should not be developed.

https://brainly.com/question/24324307

Explain how species within the natural environment work together.

Answers

Answer:

This happens by the process of natural selection. By natural selection, the nature of the species gradually changes to become adapted to the niche. If a species becomes very well adapted to its environment, and if the environment does not change, species can exist for a very long time before they become extinct.

The ones that will be discussed in this article are competition, predation, herbivory and symbiosis. These are not the only types of species interactions, just the most studied — and they are all parts of a larger network of interactions that make up the complex relationships occurring in nature.

Explanation:

plz mark me as brainliest plz

I'LL GIVE BRAINLIEST !!!!!


is it true that growing crop after crop on soil can leave of useless ?​

Answers

Answer:

yes it's depand upon nature of soils...

But not always.

MARK ME BRAINLISTS

Alejandro moves to Australia because he found a new job. Which word best
describes Alejandro?
O A. Tourist
B. Immigrant
C. Worker
D. Transient

Answers

The correct answer should be transient since he’s gonna travel there for employment for temporary.

What is the sum of the factors?
Two factors of -48 have a difference of 19. The factor
with a greater absolute value is positive.
6 0 €
0-19
0-13
ОООО
16
Mark this and return
Save and Exit
Next
Submit

Answers

9514 1404 393

Answer:

  13

Explanation:

-48 = -1·48 = -2·24 = -3·16 = -4·12 = -6·8

The differences between the second factor and the first are ...

  49, 26, 19, 16, 14

The factor pair with a difference of 19 is (-3, 16). The sum of these two factors is ...

  16 +(-3) = 13

how did the industrial revolution affect migration​

Answers

Answer:

How did the Industrial Revolution affect migration?

The Industrial Revolution had a prodigious impact on migration from 1750-1900. -Industrialization: New innovations were seen throughout this time period, and factories began sprouting across all of Europe. Factories centralized the production of food and common goods resulting in increased migration to cities.

What is the relationship between industrialization immigration and urbanization?

One important result of industrialization and immigration was the growth of cities, a process known as urbanization. Commonly, factories were located near urban areas. These businesses attracted immigrants and people moving from rural areas who were looking for employment. Cities grew at a rapid rate as a result.

Did ethnic enclaves have a positive or negative impact on immigrants in the late 1800s provide evidence to support your response?

The late 1800s saw an enormous influx of immigrants who came to the United States hoping to find better opportunities. Ethnic enclaves had a positive impact on immigrants as it allowed them to have a sense of community in their new country. It also helped them keep their culture and identity alive.

Why does Canada attract immigrants?

With a strong economy providing numerous opportunities and a culturally diverse population, many foreign-born citizens have reaped the rewards of immigrating to Canada. Its educational system makes it attractive to immigrants, and has laid the foundation for future innovation and progress for all of Canada.

Explanation:

This explains itself.

Which of these countries has the smallest land area?
A Nigeria
B) Algeria
Democratic Republic of Congo
Sudan

Answers

Nigeria I believe is the answer
the answer would be Algeria with land area of 2,381,741 km

What conditions will increase a nation's Human Development Index? Check all that apply. 0 A. Long work hours O B. A commitment to the education of its population C. The highest gross domestic product in the world D. People who live longer than the world average ​

Answers

Hey there! I'm happy to help!

The Human Development Index takes into account 3 main things about a country:

1. Life Expectancy

2. Education

3. Standard of Living

Long work hours don't necessarily have to do with any of these categories  and it can also be associated with human rights violations (slavery, sweatshops, etc.), so this will not increase a country's HDI, so A is incorrect.

A commitment to education will definitely increase a nation's HDI. Gaining knowledge is part of human development, and a great education system hugely facilitates that. B is correct.

It might seem like having the highest GDP will make a country have a better standard of living, but this isn't always the case. A country could produce tons of things but pay the workers very little, so this would not lead to a good standard living. Although a high GDP usually means that a country is doing better, it doesn't necessarily increase a nation's HDI, so C is incorrect.

D is correct because living longer means that the life expectancy is higher. This means that better healthcare, services, treatments, medicines, opportunities, etc. are available in the country, and being able to live longer is very important for human development.

Have a wonderful day and keep on learning! :D

Answer: C. a commitment to the education of its population

D. people who live longer than the world average

Explanation:

I took the quiz

describe cross section of land structure if nepal in detail​

Answers

Nepal measures about 880 kilometers (547 mi) along its Himalayan axis by 150 to 250 kilometers (93 to 155 mi) across. It has an area of 147,516 km2 (56,956 sq mi).

1 =1 ? herty rta4356gb? is g sdfgbns iesx?

Answers

what this means but give a thanks

giai giup t voiii
cam on nha

Answers

Answer:

d

Explanation:

Which phrase is the best definition of the word technology, in the narrow
sense?
O A. Tools and their use
O B. Exchange of new ideas
O C. Fast communication
O D. Better ways to do things

Answers

Answer:

I think the answer is better ways to do things

name any two major desert region near the tropic of cancer​

Answers

Explanation:

Much land on or near the Tropic of Cancer is part of the Sahara Desert, while to the east, the climate is torrid monsoonal with a short wet season from June to September, and very little rainfall for the rest of the year

Describe the formation of Mountain Everest.​

Answers

Answer:

Rising at the border of Tibet and Nepal, Mount Everest formed from a tectonic smashup between the Indian and Eurasian tectonic plates tens of millions of years ago. The collision crumpled the landscape, raising mountains along some 1,5000 miles, a range we know as the Himalaya

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Rising at the border of Tibet and Nepal, Mount Everest formed from a tectonic smashup between the Indian and Eurasian tectonic plates tens of millions of years ago. The collision crumpled the landscape, raising mountains along some 1,5000 miles, a range we know as the Himalaya.

!! O ITՏ !!

identify the statement that is true about soil-forming factors. a. Dry soils tend to contain more organic material than wet soils contain, because wet soils drown vegetation. b. Different plant types can add or remove nutrients within a soil, thereby changing the type of soil that is formed. c. Soil that forms on basalt bedrock will be the same as soil formed on granite bedrock because they are both igneous bedrocks. d. Soil that forms on steep slopes is thicker than soil formed on flat land because of the accumulation of sediment on slopes.

Answers

Answer: b. Different plant types can add or remove nutrients within a soil, thereby changing the type of soil that is formed.

Explanation:

Some plants require more a of particular nutrient than others and so will draw more of these nutrients from the soil whilst giving away some of the ones that they do not want. This is one of the reasons that some plants grow better in a particular area than not.

When these plants give or take away nutrients, they would be changing the type of nutrient composition of the soil and this is what makes crop rotation so effective.

effects of low temperature in crop
production​

Answers

Colder weather can decrease plant enzyme activity. This then disrupts plant nutrient intake because plants secrete enzymes to digest surrounding materials for soil. Consequently, this can stunt growth or more severely cause them to die

If AB=12 and BC =19 then what does AC equal

Answers

Answer:

it depends on the angle made by lines AB and BC

Incised meanders a. develop when the stream gradient is steepened or discharge decreases. b. form when base level remains stable for long periods of time. c. can result from either superposed or antecedent stream activity. d. are demonstrating a feature of stream immaturity (meanders) in a mature setting (steep walls).

Answers

Answer:

d. are demonstrating a feature of stream immaturity [meanders] in a mature setting [steep walls].

Explanation:

Incised Meander is a river meander which has been cut abnormally into landscape because uplift of land has caused downward erosion by the river. This represents stream immaturity and level of rivers is not stable.

John's dad makes wooden furniture, but there are many furniture makers in his state. John's dad decides to ship his furniture to the next state to
be sold, as there are fewer people selling furniture in that state. Which concept MOST impacts this movement of goods?
ОА
transportation
OB.
distance
oc intervening opportunity
OD. supply and demand

Answers

Answer:

  D. supply and demand

Explanation:

John's dad is choosing to market his goods where supply is lower, assuming he can capture a larger share of the demand that he can locally. In the scenario described, distance and transportation costs appear not to be significant.

3. Differentiate between. a) Igneous and sedimentary rock b) Sedimentary and metamorphic rock 4. Classify the following rocks Marble, Pumice, Slate, Obsidian, Limestone 5. Write answer in brief a) What is rock? b) How are igneous rocks formed? c) What type of rock is called sedimentary rock? d) Which rock consists of fossils? e) How are metamorphic rocks formed? Give example also. 6. Write any four uses of rocks.​

Answers

Answer:

3.igneous and sedimentary and sedimentary and metamorphic.

4. Marble- metamorphic

pumice-igneous

slate- metamorphic

obsidian- igneous

limestone-sedimentary

5. a) A rock is a solid mass of geological materials. Geological materials include individual mineral crystals, inorganic non-mineral solids like glass, pieces broken from other rocks, and even fossils. A rock can be composed of only one type of geological material or mineral, but many are composed of several types.

b) Igneous rocks form when magma (molten rock) cools and crystallizes, either at volcanoes on the surface of the Earth or while the melted rock is still inside the crust. When lava comes out of a volcano and solidifies into extrusive igneous rock, also called volcanic, the rock cools very quickly.

c) Sedimentation is the collective name for processes that cause these particles to settle in place. The particles that form a sedimentary rock are called sediment, and may be composed of geological detritus (minerals) or biological detritus (organic matter).

d) sedimentary rock consits of fossils.

e) Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors. Conditions like these are found deep within the Earth or where tectonic plates meet.

6. Any four uses of rocks are:

•Making Cement (Limestone) (Sedimentary Origin)

•Writing (Chalk) (Sedimentary Origin)

•Building Material (Sandstone) (Sedimentary Origin)

•Bath Scrub (Pumice) (Igneous Origin)

•Kerb Stone (Granite) (Igneous Origin)

how does environmental population change in growth​

Answers

Answer:

We humans are remarkable creatures. From our humble beginnings in small pockets of Africa, we have evolved over millennia to colonise almost every corner of our planet. We are clever, resilient and adaptable―perhaps a little too adaptable

^^^^your welcome!!!!
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