an environmental engineer wants to examine the permeability of different soils to determine the best natural containment system to protect groundwater from pollutants. the engineer tests four different soil samples, places them into a wet column, and pours 50ml of water over each sample. the engineer records the total amount of water that moves through the column as well as the total amount of time for the water to fully percolate through the soil. the data from the study are shown below.

Answers

Answer 1

According to the information of the fragment the sample of material chosen as the potential container material is the independent variable of the research.

When conducting research we have the opportunity to use different types of research. One of them is that of the dependent and independent variables.

An independent variable represents a quantity that is modified in an experiment. On the other hand, dependent variables are those that represent a quantity whose value depends on how the independent variable is modified.

According to the above, in the situation presented, it can be inferred that the independent variable is the sample of material chosen as potential container material and the dependent variable is the results of the investigation that will have different filtration results for each type of soil.

Note: This question is incomplete because the question is missing. Here is the question:

Which of the following best describes the independent variable in this research design?

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Related Questions

the great dividing range is the longest mountain range on which continent?

Answers

Answer:

The highest place in Australia, the 2,228 m (7,310 ft) Mount Kosciuszko, resides in the Snowy Mountains portion of southern Great Dividing Range.

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Answers

Answer:

c

Explanation:

with my cofidence

pls mark me as brainliest

World war shutted every economical activity down so third statement is wrong straight forward.

Highway a was damaged a lot so expansion is not supposed to be. so statement A is also false.

Only 2 and 4th statement are true

Option C

Describe the effects of overgrazing on soil. What policies can be linked to the practice of overgrazing

Answers

Answer:

Overgrazing exposes the soil surface to erosion by wind and water and may cause soil compaction that limits water infiltration, soil aeration, and plant growth.

Explanation:

please what is the factors of 55​

Answers

Answer:

the factors of 55 are 1, 5, 11, 55

1, 5, 11, and 55 and factors of 55

write a poem about the contributions of ancient civilizations in the world​

Answers

Answer:

Ancient civilization mushroomed in a fashion

But stood like rock for future anticipation

Brotherhood and faith were the corner stone

But in space of time everything has gone

What did it give in for future generation?

Bloody wars and seizure of land with annexation

Compulsory conversion and forceful adoption

We all know people has no other option

Yet there remained firm belief

The name of god or almighty gave them relief

The meaning of good and evil was made understood

Religion and faith became integral part as food

Feudal system too prevailed with same ideology

One religion to be spread over on the name of almighty

No option but only to witness bloodshed and surrender

That was the royal decree and special order

Emergence of somewhat liberal system brought changes

The education and wealth brought about ways to manage

Even though that remained as secret agenda for many states

The moot point was to grant liberation without any dictate

Yet religion stood at the root in the mind of the people

With only one hope that it may ward off any trouble

God may help and side with their truthful pray

Grant prosperity and evil might be kept away

Let there be thousands of religion

Each one has its importance in the regions

It lightens mood early in the morning

When we hear name of the god and face turns shining

We sincerely bow head in recognition

For many religions who have strong inhibitions

Let them pray, preach and propagate in their own way

It must remain distant dream to spread the terror and sway

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How to find first earthquake aftershock on seismogram.

Answers

Answer:

The P wave is designated the primary preliminary wave because it is the first to arrive at a seismic station after an earthquake.

which country touches both the caribbean sea and the pacific ocean?

Answers

Answer:

About Panama

Panama is a country on the Isthmus of Panama, the landbridge between the Caribbean Sea and the Pacific Ocean, that links North and South America. It is bordered by Colombia and Costa Rica.

throughout the 3.5 billion year history of life on earth there has been a natural, low rate of species extinction known as

Answers

Answer: Bacteria.

Explanation: Bacteria

Answer:

background extinction rate

Explanation:

The ___ is the entire geographical area drained by a river and its tributaries; this area is characterized by all runoff being conveyed to the same outlet.

Answers

A river/drainage basin or watershed is the entire geographical area drained by a river and its tributaries; this area is characterized by all runoff being conveyed to the same outlet.

RainbowSalt2222

Which of the following statements about erosion is true? a. Erosion occurs as a result of drastic changes in temperature. B. Erosion occurs when wind or water moves over sediment, soil, or rocks. C. Physical and chemical are the two types of erosion. D. Movement is not required for erosion to take place. Please select the best answer from the choices provided A B C D.

Answers

Answer: C

Explanation:

Answer:

c

Explanation:

which of these activities do not produce greenhouse gases

energy use

agriculture

afforestation

industrial process

Answers

agriculture

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if earth had no oceans, would temperatures at the equator be hotter or colder than they are now?

Answers

Answer:

if the earth had no oceans temperatures at the equator would be hotter.

Explanation:

PLEASE HELP ILL MARK BRAINLIEST ASAP AND NO LINKS PLEASE

Answers

Answer:

In accordance with its Statute, the mission of the Organization of the Petroleum Exporting Countries (OPEC) is to coordinate and unify the petroleum policies of its Member Countries and ensure the stabilization of oil markets in order to secure an efficient, economic and regular supply of petroleum to consumers, a steady income to producers and a fair return on capital for those investing in the petroleum industry.

Explanation:

Answer:

Option B and C

Explanation:

OPEC doesn't take care of rest world countries ( D is false).It doesn't take control over economies .It also doesn't monopolise as it's under control of Russia and Arabia

Cities grew because of all these except what ?

immigration or jobs or farming or railroads ??

Answers

Answer:

id say railroads

Explanation:

name the opening though which molten rock flowers to the surface​

Answers

Answer: a Volcanoe

What it is  are openings, or vents where lava, tephra (small rocks), and steam erupt on to the Earth's surface.

trên lục địa á-âu châu á nằm về phía nào

Answers

Asia is generally defined as comprising the eastern four-fifths of Eurasia. It is located to the east of the Suez Canal and the Ural Mountains, and south of the Caucasus Mountains (or the Kuma–Manych Depression) and the Caspian and Black Seas.

Châu Á thường được định nghĩa là bao gồm bốn phần năm phía đông của Âu-Á. Nó nằm ở phía đông của kênh đào Suez và dãy núi Ural, và phía nam của dãy núi Caucasus (hoặc Kuma – Manych Depression) và biển Caspi và Biển Đen.

Answer:  phía Đông bán cầu

Explanation:

why did farming lead to permanent villages?

Answers

Answer is : people needed to stay and tend their crops


Why did farming lead to permanent villages?
answer choices
-people grew too much food to travel
-people needed to build storage for crops
-people needed to stay and tend their crops ( answer)
-people had to make pottery to hold fo

facts about Deforestation

Answers

Answer:

Deforestation is when you clear a forest or treeline but cutting them down.

Explanation:

It can be bad and good in many ways. It can make space for Urbanization (Population that moves into an area) bit it can mess up the atmosphere because the carbon dioxide that the trees intake will be out in the open air as soon as it gets cut down.

Answer:

There are many conflicts as well as benefits caused by Deforestation that I'll list below.

Explanation:

Deforestation causes greenhouse gases like carbon dioxide to leak into the atmosphere. Over time this accumulates and warms our planet, this is how Global Warming happens.

The actions of deforestation, as in cutting down trees, destroy the habitats of animals that once lived there.

Agriculture expansion is a benefit of deforestation, like the construction of roads, urbanization, and croplands.

You were given a promotion at work which will
cause you to move. You do not want to move but
the company warns if you do not move, they will
replace you.
Push factor or Pull factor

Answers

push factor because its something that’s making you move and in this case because the company is going to replace you because you won’t move, it is pushing you. so the answer is:

Push Factor.

Global circulation cells occur because of uneven heat distribution and the earth's rotation. What do we call the effect of
the earth's rotation on air circulation?

Answers

Answer:

Currents Tutorial

Explanation:

Because the Earth rotates on its axis, circulating air is deflected toward the right in the Northern Hemisphere and toward the left in the Southern Hemisphere. This deflection is called the Coriolis effect.

the term used to describe temperature perception is

Answers

Answer:

thermoception is the term.

Explanation:

Thermoception or thermoreception is the sensation and perception of temperature, or more accurately, temperature differences inferred from heat flux.

Sometimes a diffusion process encounters barriers that slow or stop the spread of an innovation. Which of the following is an example of such a barrier?
a. A lack of infrastructure to support a new technology
b. A change in the price of energy
c. A jump from contagious to hierarchical diffusion
d. A transition from stimulus to contagious diffusion
e. A new form of media to broadcast information

Answers

An example of a barrier that slow or stop the spread of an innovation is: a. A lack of infrastructure to support a new technology.

Innovation can be defined as the creation of a new product of any category such as automobile, building, phones, electronics, etc., which generates revenue (money) for the innovators or manufacturers when it is purchased by the end users (consumers).

Diffusion of innovation refers to a process through which a new idea, new product or new technology is adopted or not adopted by the target audience (consumers). Thus, the diffusion of innovation explains how, why, and at what rate a new idea, new product or new technology spread across a market.

However, a diffusion process would encounter barriers that inhibit or stop the spread of an innovation when there is a lack of suitable infrastructure to support a new technology.

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how can you appreciate the contributions of ancient civilizations in the world? (write at least 5 sentences)​

Answers

Answer:

By promoting what we have been taught by them

which country was used for astronaut training due to its moonlike terrain?

Answers

Answer:

Iceland

Explanation:

Iceland because the terrain was very similar to the moons

benefits of fitness of 16-year athletic individual

Answers

Answer:

you become less fatigue

you become less fatigued if you are athletic at

the age of 16 as your stamina increases especially

when you do cardiovascular endurance exercises

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Answers

A) An increasingly industrial society affected the population distribution of the United States.

Answer:

Option A

Explanation:

See the graph

The population of urban area is increasing .and rural areas is decreasingPeople were shifting to urban areas inorder to get the benifit of industrialisation.

So option A is correct

Match the terms with their description/definition

Answers

3 Microloan
4 Developed
5 Mesoamerica
1 Developing
2 Hispaniola

Which of the following is not one of Europe’s four major ethnic groups? A. Germanic B. Latin C. Basque D. Slavic Please select the best answer from the choices provided. A B C D.

Answers

Answer: C. BASQUE

Explanation: In using the linguistics as a parameter for grouping the people in Europe in large basic ethnic groups

Answer:

b

Explanation:

edge 2021

What is the relevance of studying demography in Asian History?

Answers

Demography is useful for governments and private businesses as a means of analyzing and predicting social, cultural, and economic trends related to population

(2x-29)° = 95°
what is x

Answers

Answer:

33

Explanation:

[tex](2x - 29) = 95 \\ 2 x = 95 - 29 \\ 2x \div 2 = 66 \div 2 \\ = 33[/tex]

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