Which best describes the relationship between temperature and dissolved oxygen in a lake?
As temperature increases, dissolved oxygen increases.
As temperature increases, dissolved oxygen decreases.
As temperature decreases, dissolved oxygen decreases.
A change in temperature has no
effect on dissolved oxygen.

Answers

Answer 1

Explanation:

Air and Water Temperature Increases

For example, increases in water temperatures are expected to result in the following: Lower levels of dissolved oxygen due to the inverse relationship that exists between dissolved oxygen and temperature. As the temperature of the water increases, dissolved oxygen levels decrease.


Related Questions

Hydroponics is defined as the practice of growing plants without soil used to provide support or nutrients or ‘Soilless Farming'. How is ‘Hydroponics' an effective method of farming in arid and dry zones other Earth?

Answers

Answer:

Hydroponics solves the problem of unavailability of water in those arid and dry regions

Explanation:

As rightly stated in the question, hydroponics is a practice that involves the culturing of plants without the need for soil. Hydroponics procedure make use of a moisture-containing solution filled with nutrients.

This procedure of hydroponics, however, comes with some disadvantages but one major effectiveness it has in arid or dry regions is that it SOLVES THE PROBLEM OF WATER UNAVAILABILITY. When it comes to farming practice using soil, constant water supply is an unnegotiable criterion because water is needed for the growth of plants in the soil.

However, in arid regions, which are usually very dry due to lack of rainfall, the practice of hydroponics can substitute for soil farming in order not to cause food scarcity.

How is variation introduced into populations of asexual organisms such as bacteria and amoebas?

Answers

Answer:

In asexual reproduction an exact genetic copy of the parent organism is produced. Unlike sexual reproduction, asexual reproduction only introduces genetic variation into the population if a random mutation in the organism's DNA is passed on to the offspring.

Explanation:

In the periodic table, periods are_____rows.

Answers

Answer:

It's a row of chemical elements

Answer:

The rows on the periodic table are called periods. All the elements in a period have valence electrons in the same shell. The number of valence electrons increases from left to right in the period. When the shell is full, a new row is started and the process repeats.

Explanation:

Hope this helps! :)

When listing the levels of organization in organisms from least complex to most complex, which level is just below organs in complexity? cell organism organ system tissue

Answers

Answer:

Tissue.

Explanation:

Cells work together to make tissues and tissues work together to make organs. I believe tissues are right under organs in terms of complexity.

The level of organization is defined by the simple to complex arrangement. The tissues are below the organs in the level of complexity. Thus, option d is correct.

What is the level of organization?

The arrangement of the most simple to the complex structure in a hierarchical manner is called the level of organization. It makes the population and the community of the ecosystem.

The atom is the most simple level that aggregates to form a molecule that makes a cell. Cells with similar functions make the tissues. The tissues with various fucntions combine to form an organ.

An organ along with different organs makes an organ system. The various organ system with various roles and activities makes the organism. Many organisms make a population that results in a community, ecosystem, and biosphere.

Therefore, option d. the tissues make the organs.

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Which cell would doctors conclude is a cancerous mass?

A. A
B. B
C. C
D. C

Answers

The correct answer is A

Explanation:

Cancer including cancerous mass or tumors is caused by an abnormal and uncontrolled reproduction of cells. This means cell division occurs faster than normal and leads to damaged or malfunctioning cells. Moreover, in terms of the number of cells vs time, cancer leads to a high number of cells in a short time. This occurs in cell A because different from cells B, C, and D, this has increased the number of cells in a short time, while others have decreased over time or remain constant. According to this, the cell that is a cancerous mass is A.

What happened to the compasses when a current flowed through the wire?

Answers

the magnetic field produced by an electric current is always oriented perpendicular to the direction of the current flow.

fats are broken into saturated fats

Answers

Answer:  saturated fats

Explanation:

Fats that are tightly packed with no double bonds between the fatty acids are called saturated fats. There are some exceptions, but most are solid at room temperature. Sources of saturated fat include: fatty pieces of meat such as beef and lamb.

Give an example of something that has a high specific heat capacity.

Answers

Water. It has to absorb a lot heat before it begins to get hot.

When the Big Bang Theroy happend the heat capacity was 14.5 billon digrees

What is the first stage of the nuclear fuel cycle? WILL GIVE BRAINLY AND 22 POINTS Fuel production Uranium mining Reprocessing Disposal

Answers

Answer is uranium mining.

Answer:

THE NUCLEAR FUEL CYCLE STARTS AS THE MINING OF URANIUM.

IT THEN ENDS AT DISPOSAL OF NUCLEAR WASTE.

WITH THE PROCESSES I NG OF USED FUELS AS AN OPTION FOR NUCLEAR ENERGY

If we mixed sodium and iron
then the result will be?​

Answers

Answer:

u can't mix them

two solid metals can't form solution.

Sodium hydroxide and iron when it reacts with water the result will be tetrahydroxoferrate

5 Devise Imagine that one tree outside your
school looks unhealthy, although all the other
trees seem healthy and strong. Describe how
you could apply scientific thinking to the
situation.

Answers

The first step is to identify the problem. There are factors to consider in keeping a plant or a tree healthy. These include water, oxygen, sunlight, soil, nutrients, climate, and other environmental conditions. If the environment seems to suit the other trees in the garden, ruling out other factors can be useful in determining why only one tree seems to be unhealthy. Once the problem is identified, a scientific investigation must be done to gather data and pieces of evidence which can explain why this event actually occurred. One of the best ways to gather evidence is through observing the tree and checking other signs which might identify if the tree is diseased. Once the gathered data are analyzed and the cause is identified, proceed in thinking of ways on how to solve it. In seeking a solution, it is best to ask information from experts and proper authorities.

A student investigates the effects of fertilizer on corn plants by performing the following steps: 1. Plant groups of corn plants in the same type and amount of soil in full sunlight. 2. Add the same amount of different brands of fertilizer to each group. 3. Water the plants for 5 minutes each day. 4. Measure the heights of the plants each day. What is the independent variable in this investigation?

Answers

I think the answer would either be the different brands of fertilizer

What is one way to analyze the results of an experiment?

Answers

Answer: One way to analyze the results of an experiment by looking at the chemical and physical changes. Signs of a chemical change are bubbles or production of an odor. Signs of a physical change are change in color, shape, or size.

what is one major difference between prokaryotes and eukaryotes

Answers

Answer:

There are several differences between the two, but the biggest distinction between them is that eukaryotic cells have a distinct nucleus containing the cell's genetic material, while prokaryotic cells don't have a nucleus and have free-floating genetic material instead. From prokaryotic cells to eukaryotic cells

Explanation:

hope it help

Answer:

eukaryotic cells have a distinct nucleus containing the cell's genetic material, while prokaryotic cells don't have a nucleus and have free-floating genetic material instead

Explanation:

a friend believes that studying the genetics of dead organisms offers little benefit to modern day humans do you agree with this statement to use information from the article to support your argument.​

Answers

Studying the genetic ancestry of humans can help explain why some people have a higher or lower risk of certain diseases. Finding the genes related to certain diseases will help fuel new drugs and therapies. For example, the article explains that people with six copies of CLPS genes seem to have a lower risk of diabetes

Explanation:

According to me, the process of studying the genetics of dead organisms offers significant benefits to modern-day humans.

What is Genetics?

Genetics may be defined as the branch of biology that deals with the study of heredity and variations that are remarkably controlled by genes.

The genetics of dead organisms reveals the process and methodology of past organisms. It illustrates how the differences in present organisms lead to the process of evolution.

It compares the physiology, psychology, genomic sequencing, alterations in the genetic arrangements, etc. It also allows us to understand new facts and changes that fascinate evolutionary questions.

Apart from this, modern technology makes the study of dead organisms more effective and significant with numerous benefits like recombinant DNA technology, DNA analysis, isolation, etc.

Therefore, the process of studying the genetics of dead organisms offers significant benefits to modern-day humans.

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Scientists use tissue cultures to study possible medicines that can be used to treat cancer patients. What is one benefit of this procedure?
Patients do not receive harmful or ineffective medication.
The cultured cells are not in their normal environment.
Doctors know how to treat all types of cancer.
One tissue culture can be used for all cancer patients.

Answers

Answer:

b. Patients do not receive harmful or ineffective medication.

Explanation:

on edge

Tissue culture is used to treat cancer patients, as this procedure does not use any harmful or ineffective medication on the patients unlike the other treatment options. Thus, the correct option is A.

What is Tissue Culture?

Tissue culture is the process of growth of tissues or cells in an artificial medium that is separate from the parent organism. This technique is also known as micropropagation method. It is typically facilitated via the use of a liquid, a semi-solid, or a solid growth medium, such as the broth or agar medium.

Tissue culture is used widely in science for the propagation of plants, in the study of medicines such as those related to cancer. Tissue culture can be used as a treatment option in cancer as this technique does not show any harmful or ineffective medication. The cultured tissues of stem cells can be used for replacement of infected cells or body parts.

Therefore, the correct option is A.

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If an object is having a constant positive acceleration, what can we assume about the forces on it?

Answers

Answer:

If an object has a net force acting on it, it will accelerate. The object will speed up, slow down or change direction. ... If however, the forces are balanced (in equilibrium) and there is no net force, the object will not accelerate and the velocity will remain constant.

The force on the object is unbalanced.

Acceleration is the change in velocity per change in time of motion.

At constant velocity, the acceleration of an object will be zero.Increase in the change of velocity causes increase in acceleration in positive direction.A positive acceleration indicates increase in the motion of an object.

According to Newton's second law of motion, the force applied to an object is directly proportional to the product of mass and acceleration of the object.

F = ma

If the net force on an object is balanced, the acceleration of the object will be zero because the object will move at velocity

However, if the force on an object is unbalanced, the object will accelerate.

Thus, we can conclude that the force on the object is unbalanced.

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How are the Domain Bacteria and the Domain Achaea similar?

Answers

Answer:

-They both have unicellular organisms

- They also both have autotrophes & hetertrophes

Which statement about lunar eclipses is false?
Select one:
a. They occur at least twice a year.
b. They cause the moon to disappear completely.
c. They can be seen from any place with a view of the moon.
d. They may last for hours.

Answers

Answer:

B

Explanation:

The moon won't completely disappear, but it will be cast in an eerie darkness the makes it easy to miss if you were not looking for the eclipse.

what caused the movement of ocean currents?

Answers

Answer:

The heating up and cooling down of water. The winds also have effects

Explanation:

Can someone help me i got very confused

Answers

Answer:

D. student 4

Explanation:

I personally find this question slightly bewildering. It does definitely make you think. I decided your best answer choice would be D, because a dog wouldn't always be there, or the weeds.

describe the role of humans in environmental stability and change

Answers

humans have reduced environmental stability drastically due to our contributions to climate change through carbon dioxide and other greenhouse gas emissions. we have changed the weather patterns, increased global temperatures and caused air and plastic pollution as well as many others. the environment has changed and put animals and plants at risk of extinction because of heating of the earth, loss of habitat, etc

While observing slides under a microscope, Jack adjusts the microscope's mirror so that a circle of light can be seen. Which microscope is in use?
A.
Compound microscope
B.
Electron microscope
C.
Scanning electron microscope

Answers

Answer: A compound or light microscope

Explanation:

11. In which of the following examples will water move into the cells of the large intestine from the outside environment by the process of osmosis?​

Answers

Osmosis occurs in the large intestine to transfer water from the feces into the neighboring cells.

What is the process of osmosis?​

Water is transported across cell membranes through diffusion and osmosis. The body reabsorbs absorbable solutes and electrolytes from meals (namely salt, potassium, and chloride ions).

The total solute concentrations and the permeabilities of the solutes in relation to water define the effective osmolality of a biological fluid, the large intestine to transfer water from the feces into the neighboring cells.

Water molecules move by osmosis across the cell membrane from a lower solute concentration to a higher solute concentration.

Therefore, osmosis, a kind of diffusion, is how water enters and exits the cell's large intestine to transfer water from the feces.

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what will happen if one part of the system fails to carry out its fanction properly?

Answers

Answer:

If one part of the system fails to carry out its function properly, the air we breathe cannot go to the lungs the transferring of oxygen in the blood will be affected. If this happens, a person will most likely have a difficulty in breathing which may lead to other complications or even death.

Explanation:

I hope it helped

Answer:

Hope it helps

Explanation:

If one part of the system fails to carry out its function properly, the air we breathe cannot go to the lungs the transferring of oxygen in the blood will be affected. ... Oxygen, as it enters our body, moves to a series of parts in the breathing system that are connected to each other and needs to work as one.

Does a rock use energy

Answers

Answer:

No

Explanation:

A rock has no way of consuming energy as it is not a living organism, and cannot perform any processes to transform energy.

What is BTB changing color evidence for and why?

Answers

Answer:

ddd

hauajajsnwnjsjekddidkkdkd

Explanation:

d9d

sjdnejekkejejre

Atoms have three subatomic particles: protons, neutrons, and electrons. ... Knowing what you know about the nucleus and the subatomic particles in the nucleus, what do you think is the charge of the nucleus of an atom? The nucleus of an atom has a positive charge because the proton is positive and the neutron is neutral.

Answers

The atom is positive.

Answer:

the atom is positive

Explanation:

A population is growing at a rate of 2, 4, 8, 16, 32. Which type of growth does this describe? linear logistic exponential negative

Answers

Exponential because you multiply the previous answer by 2

A population that is growing at a rate of 2, 4, 8, 16, 32 shows a type of growth known as exponential growth.

What is exponential growth?

Exponential growth is a type of growth where quantity is increased in an order of magnitude for a given period of time.

In biology, exponential growth is seen in populations having sudden expansions.

In conclusion, a population that is growing at a rate of 2, 4, 8, 16, 32 shows a type of growth known as exponential growth.

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What are Pioneer organisms in a Primary and secondary succession?

Answers

Answer:real remains

Explanation: because of real time

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