19.Compared with unpolluted water, the water in a lake polluted by sewage will have
A. fewer microorganisms
C. more fish
B. more oxygen
D. more nitrogen compounds​

Answers

Answer 1

Answer:

more nitrogen compounds

Explanation:

when water is polluted by sewage many microorganisms is present so we can deduct the 1st ans.

as water is polluted the environment is not suitable so living organisms so unpolluted water has more fish than polluted.

there cant be more oxygen in a place where it s polluted coz plants which grow under water wont grow as it is polluted

more nitrogen compounds is the answer because nitrogen compounds are made due to the reactions in polluted water.

hope this helps,

Answer 2
A is the correct answer,

Related Questions

Movement of sugar into the cell is an example of _____

Answers

Answer:

The answer is Diffusion.

Explanation:

Diffusion is a net movement of molecules or ions where it moves from a region of high concentration to a region of low concentration.

In this case, cell has a lower concentration than sugar solution.

A couple just brought home their new baby from the hospital. They begin to suspect that the hospital switched babies, and the baby they brought home is not theirs. They check the hospital records, and findthat the man’s blood type is B, the woman’s blood type is AB, and the baby’s blood type is O. Explainwhy the parents are or are not justified in theirconcern about this babyRequired to answer. Single line text.

Answers

Answer:

Explanation:

the baby is not theirs because the father has a blood type of OB so he can give an O or a B and the mother has a blood type AB so she can give either an A or a B so their child could either be of blood type A or B or AB but not O

One student made this incorrect diagram of the rock cycle. Which of these statements best describes a method to correct the diagram? (1 point)

A.Interchange the labels inside ovals A and B

B. Interchange the labels inside ovals A and

C. Interchange the labels on the arrows 5 and 1.

D. Interchange the labels on the arrows 2 and 4.​

Answers

According to the diagram of the rock cycle, the flaw can be corrected by interchanging the labels inside ovals A and B. The correct option is A.

What do you mean by the rock cycle?

The processes which involves the production and alteration of the different types of rocks that are found in the Earth's crust that make up the rock cycle.

The three main forms of rock include igneous, metamorphic, and sedimentary rocks. These are formed and decomposed according to various applications of heat and pressure on them throughout the time, and this process-based network is known as the rock cycle.

The reason the diagram for the many types of rocks and how they change is shaped into a circle gives rise to the name rock cycle. It resembles the rocks that goes through a cycle in certain ways. According to their location and circumstances, it appears that the rocks are recycled continuously and are transformed into various forms of rocks.

Therefore, according  to the diagram of the rock cycle, the flaw can be corrected by interchanging the labels which are inside ovals A and B.

Therefore, the correct option is A.

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Which of the following is found ONLY in plant cells?
O Cytoplasm
O Endoplasmic Reticulum
O Nucleus
O Chloroplast

Answers

chloroplast is only found in plant cells
The answer is chloroplast because it is used by plants to produce glucose and it connect to photosynthesis. Hope this helps

difference between bat and dove​

Answers

Answer:

Explanation:

Bats are webbed structured flying animals while birds are feathered winged animals. Bats are mammals, so they don't lay eggs, compared to birds that are known as egg-laying animals. When flying, bats don't flap their forelimbs completely compared to birds.

what reaction must occur to release the energy in atp

Answers

Answer:

respiration

Explanation:

The source of the energy required to regenerate ATP is the chemical energy stored in food (e.g. glucose)

Which statement best describes the significance of meiosis to sexual reproduction?
A. It produces haploid gametes, with half the number of chromosomes.
B. It creates organisms with better adaptability to the environment.
C. It allows all types of cells to produce two sets of identical chromosomes.
D. It produces up to eight diploid cells, each with the same number of chromosomes.

Answers

D because the diploid cells

In meiosis sexual reproduction produce haploid cells to produce gametes and chromosome number is reduced, hence option a is correct.

What is meiosis in sexual reproduction?

Gametes or sex cells, which are needed for sexual reproduction are created during meiosis.

It deactivates the sporophytic information while activating the genetic information for the production of sex cells.

Meiosis is a kind of cell division that results in the production of four gamete cells and a 50% reduction in the number of chromosomes in the parent cell. To develop egg and sperm cells for sexual reproduction, this procedure is necessary.

Therefore in sexually reproducing organisms meiosis is important to produce gametes, hence option a is correct.

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50 POINTS!!! Blood is a unique type of connective tissue that we haven't been able to synthetically create yet. For that reason donating blood is so essential to maintain the health of our population. If you are type O- blood, explain (in your words) the benefits and risks of being O-. Also, explain the differences between O+ and O- blood types.

Answers

Answer:

Difference between O positive and O negative

For example, a person with O+ blood does not have A or B antigens on the surface of the cells but does have Rh factor. In contrast, O- blood has no A or B antigens and no Rh factor. For this reason, medical experts consider type O- blood to be a universal red cell donor type

Explanation:

Hope this helps!

Please help me! 10 points

Answers

I think Active transport

The typical growth period of a cell occurs during which stage of the cell cycle?

Answers

Answer:

Interphase

Explanation:

interphase is composed of G1 phase (cell growth)

Please help it’s due today!!

Answers

5. 1-10 of species per year. 6. More land area and wood products. This means that people around the world look for meat to eat and that people cut down trees that leads to deforestation for resources/materials. 7. A.stop urbanization from growing to rapidly B. If you take/cut down trees replant new one so that we don’t run out of oxygen.
I hope this helps!

What differentiates passive transport from active transport?

Answers

Answer:

Active Transport: Active transport pumps molecules through the cell membrane against the concentration gradient.

Passive transport, also known as passive diffusion, is a process by which an ion or molecule passes through a cell wall via a concentration gradient, or from an area of high concentration to an area of low concentration.

Explanation:

What are some ecological events that would impact cellular respiration?

Ex. A drought would effect photosynthesis.

Answers

Answer:

Temperature, glucose availability, and oxygen concentration.

Explanation:

:)

infected mosquitoes landed on socks three times more often than uninfected mosquitoes. Explain how this information can be used to reduce the spread of malaria​

Answers

Answer: Possibly increase the production of socks

Explanation: As it implies, the mosquitoes that have sickness land on socks more often. Based on this information, since we know that malaria comes from mosquitoes, we can increase the production of socks, as that will separate most of the infected mosquitoes with the other mosquitoes, as most of the infected ones will fly over to the sock. With this scenario, we can bait the mosquitoes and know which ones are infected

please help A skeletal muscle is a composition of several components bundled one into the other. At which structural level in the muscle does contraction occur to bring about contraction in the whole muscle?
A.
myofibril
B.
muscle fiber
C.
myoneural junction
D.
tendon
E.
fascicle

Answers

Answer:

C. Myoneural Junction

Answer:

myofibril

Explanation:

got it correct!

Select the correct answer. Which allgnment of the Sun, Moon, and Earth causes a lunar eclipse? А.Sun Earth Moon B.Sun Moon Earth C.Moon Sun Earth D.Earth Moon Sun ​

Answers

Answer:

sun earth moon

Explanation:

earths shadow blocks suns light and the moon reflects the light

PLEASE MARK BRAINLIEST

A the earth is between the sun an moon

Which organisms are prokaryotes?
A. archaea
B. fungi
C. protists
D. plants

Answers

A AAAAAAAAAAAAAAAAAAAA

ARCHAEA

A= Archaea .Hope this helps.

Which graph shows a car is stopping at 1 stop sign to the next? (8th grade science)

Answers

Answer:

the answer to this complicated question is c

Through what protein can water cross the cell membrane

Answers

Answer:

(b) Carrier proteins are more selective, often only allowing one particular type of molecule to cross. A specialized example of facilitated transport is water moving across the cell membrane of all cells, through protein channels known as aquaporins.

Explanation:

Answer:

aquaporins(b) Carrier proteins are more selective, often only allowing one particular type of molecule to cross. A specialized example of facilitated transport is water moving across the cell membrane of all cells, through protein channels known as aquaporins.

Why is it important to melt the gold to make a jewelery? Why can't we use solid gold to make jewelery, why melt it? *

Write in your words donot copy paste from google

Answers

Answer:

you melt it so that you can mold it into  the shape of jewelry.

Explanation:

you can't mold solid gold!

the table show five of the most common chromosomal abnormalities that occur during reproduction. each abnormality cause significant alteration to the genome of the individual in which they occur. analyze the information in the table and determine the genotype of the abnormality that will result in a male having some female characteristics
a) down syndrome;xy
b)edwards syndrome;xx
c) turner syndrome;xyy
d)kilinefelter syndrome;xxy

Answers

Answer:

d)

Explanation:

The abnormality that will result in a male having some female characteristics is Klinefelter syndrome that is Option D is the correct answer. The Klinefelter syndrome, which has XXY genotype. This disease affects only the male

What are the different types of chromosomal abnormalities?

Chromosomal abnormalities are of different types; some are related to autosomes, and some are related to X and Y chromosomes. The down syndrome happens due to the trisomy in the 21st chromosome, which means instead of two chromosomes, there are three chromosomes.

In Patau syndrome, the trisomy is seen in the 13th pair of homologous chromosomes, and as a result, instead of two chromosomes, three are present. Klinefelter syndrome is associated with males who have an extra X chromosome. Infertility is observed as a result of this male display of female characteristics, such as behavioral changes. Turner syndrome is associated with females who have lost one X chromosome.

As a result, the correct answer is option D, which is Klinefelter syndrome, which is XXY.

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Which parts of the water cycle are caused by the force of gravity?

Answers

Answer:

Participation.

Explanation:

Both are moving downwards. Participation falls from the sky.

Rain (Twenty characters)

Which of the following is not a reason for cell devision?

A. DNA cannot be copied quickly enough in large cells
B.The cell gets too big to process and transport nutrients
C. Surface area to volume ratio becomes to large
D.New cells are needed for growth

Answers

Answer:

C

Explanation:

thats not true

what is human inference?​

Answers

Answer:

How humans draw conclusions.

Explanation:

How is cell differentiation different than mitosis?
A. Cell differentiation produces cells with different gene expressions.

B. Cell differentiation does not cause proliferation.

C. Cell differentiation only occurs after a wound.

D. Cell differentiation produces cells with different DNA.

Answers

Answer:

A. Cell differentiation produces cells with different gene expressions.

True or False?
Substitutions can lead to frameshift mutations.

True
False

Answers

Answer:

false

Explanation:

because substitution it can't lead

Answer:

True

Explanation:

I did some

research

why a termeric stain on a white shirt is turned to red when it is washed with soap​

Answers

Answer:

Curry contains turmeric powder and soap is basic in nature. ... Hence, when soap (which is basic in nature) is scrubbed on the stain, the stain turns red. When the cloth is washed with plenty of water, the soap is removed and the yellow colour of the stain reappears.

Explanation:

Consciousness can best be described as __(blank)__.
a) Internal chemical systems that are regulated by a circadian rhythm
b) an ability to sleep and have lucid dreams
c) a lack of awareness of things going on inside or outside of yourself
d) an awareness of things going on inside or outside of yourself

Answers

d) cause consciousness is when you’re awake and aware

Consciousness can best be described as an awareness of things going on inside or outside of yourself, hence option D is correct.

How consciousness is regulated?

Wakefulness/arousal and awareness are frequently used as the two components that make up consciousness.

It appears that proper arousal levels and subsequently wakefulness, which is required for consciousness, depend on well-synchronized phases of awake and sleep.

Circadian rhythms are changes in the body, brain, and behavior that occur on a 24-hour cycle. Most living things, including animals, plants, and bacteria, are impacted by these natural processes, which predominantly react to light and darkness.

Therefore, the 24-hour cycle of normal physical, emotional, and behavioral changes that the body experiences.

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How might the digestive system and the immune system interact to help protect the body?
Please i need a correct and accurate answer. ++ giving brainliest

Answers

Answer:

Around 70% of our immune system dwells in our digestive tract in the form of gut-associated lymphoid tissue (GALT). An important component of our immune system called plasma cells (which give rise to invader-defending antibodies) also reside within the GALT. Our gut is the major channel between the external environment and the internal systems of our body. It is exposed to plenty of germs and harmful invaders such as bacteria and viruses present in food particles on a daily basis. [1] These toxic agents are perceived by the immune system in the gut as being harmful to our body and attacked. That being said, our body does not reject everything we put into it. This process is known as tolerance. When our immune system rejects an otherwise harmless substance, we are labeled as being sensitive or allergic to that food/food ingredient.

Explanation:

Hope this helped!

How do doctors detect abnormalities in patients with the help of an EKG?
A.
by determining changes in the heartbeat
B.
by determining changes in blood pressure
C.
by determining changes in blood components
D.
by determining changes in arterial blood flow
Reset Next

Answers

Answer:

A. by determining changes in the heartbeat.

Answer:

determining heartbreak

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