What happens during rusting of an iron nail?

1 sulfur and oxygen combine to form a sulfur dioxide coating

2 iron and oxygen combine to form iron oxide

3 sulfur, iron, and oxygen combine to form iron sulfoxide

4 iron and sulfur combine to form iron sulfide

Answers

Answer 1

Answer: the correct answer is B number 2

Explanation: I just answered this question


Related Questions

What type of system is used to move the body?

Answers

The skeletons system
Skeletons system I’m pretty sure

What is the name of lipids building blocks?

Answers

Answer:

Glycerol and fatty acids are the basic building blocks of fats (lipids).

Explanation:

What are the roles of quality, policy and objectives in the University? (Answer in 300 words)​

Answers

The role of quality policy and objectives in the university is to define the purpose and strategic direction followed by the school authorities.

The quality policy is usually written in a brief statement which describes the vision, mission and the objective of the university. The importance (roles) of quality policy and objectives in an university includes:

Establishing a quality policy makes its known that the university operates with ethical standards that should not be disobeyed.It serves as a requirement for any formalized quality management system.It can serve as a way to drive passion for cultural change within an organisation (university)It serves as a reminder to both employees and students of the university about their commitment to quality.

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two waste products of metabolic state their source and how they are removed from the blood​

Answers

All the metabolic wastes are excreted in a form of water solutes through the excretory organs (nephridia, Malpighian tubules, kidneys), with the exception of CO2, which is excreted together with the water vapor throughout the lungs. The elimination of these compounds enables the chemical homeostasis of the organism.

In an ecosystem, each trophic level receives energy from the level below it. What is the
source of energy for the first trophic level?

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Answer:

Explanation: i don't know

hello guys, Define wave length.I think this will be easy for u guys good day thank u​

Answers

Answer:

the distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.

Explanation:

Please tell me if it helps

What is a small structure within the cell that serves specialized functions?

Answers

Answer:

Organelles

Explanation:

Organelles are small,specialized structures found inside the cell which perform a specific task and help in the functioning of the cell.

Please I really need your help.

Answers

It is B because it exactly explained part of a population

The image below shows a club fungus. A club fungus has an erect, above-ground fruiting body and long, branching, underground hyphae.


How do the structures of the fruiting body and hyphae relate to their functions?

A.
The fruiting body is tall to allow for spore dispersal, while the hyphae are branched to increase the absorption of nutrients.
B.
The fruiting body is curved to help the uptake of decaying plant material, while the hyphae are long to increase gas exchange.
C.
The fruiting body is tall to maximize photosynthesis, while the hyphae are branched to support the release of waste products.
D.
The fruiting body is curved to improve absorption of water, while the hyphae are long to allow for reproduction.

Answers

Answer:

The fruiting body is curved to improve absorption of water, while the hyphae are long to allow for reproduction.May 12, 2020

Explanation:

If it helps you mark me as a brainleast

Answer:

Explanation:

d

A sequence of DNA was analyzed with a bioinformatics program that translated the sequence in all 6 possible reading frames.

a. True
b. False

Answers

True answer (A). Hope this helps

Help .....plz help me​

Answers

Answer:

Where is question. Hope you understand me

Explanation:

Please mark me brainliest thanks

Which of the following describes the product of Meiosis?
A. 4 genetically identical diploid cells
B. 2 genetically unique haploid cells
C. 4 genetically unique diploid cells
D. None of these are correct

Answers

The option that describes the product of meiosis is D, i.e. none of these are correct.

What is Meiosis?

Meiosis may be defined as a type of cell division in which four daughter cells are produced by a parental cell. These daughter cells are haploid in nature.

The product of meiosis is four genetically unique haploid cells which are not described in any options. So, the correct option for this question is D.

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Which of the following is a feature of beaches?
A. Berms
B. Runnels
C. All of these
D. Shingles

Answers

Answer:

C: All of these.

Explanation:

Because there is feature

C I’m not 100% confident tho

Which of the following would be most likely to increase erosion rates?
A. A coastline with a well defined beach.
B. Waves breaking at the foot of a cliff
C. Waves with a very long fetch (have traveled far).
D. All of these

Answers

Answer:

D

Explanation:

we all need that all of then helps to increase erosion rates

D

This is because all of these have a major effect on the erosion rates and over time you would see a major difference with all the factors in play

which part of the microscope are objective lenses attached?​

Answers

Nosepiece: The upper part of a compound microscope that holds the objective lens. Also called a revolving nosepiece or turret.

Answer:

The revolving nose piece

Define Siamese twins

Answers

Answer:

Conjoined twins are two babies who are born physically connected to each other. Conjoined twins develop when an early embryo only partially separates to form two individuals. Although two fetuses will develop from this embryo, they will remain physically connected — most often at the chest, abdomen or pelvis.

what happens if we do not eat food ?​

Answers

Answer:

If we do not eat food we will not get energy.

Answer:

When someone doesn't eat food, the effect might surprise you. That person will not die immediately, they might pass out and starve but you can go a long time with out eating, sometimes maybe a week! But that is what happens when you do not eat food, now if you do not drink water for a long time, you might actually die. Sometimes, you can't even spend a day without drinking water.

So, when you don't eat food you will not die, just starve. But when you don't drink water, you will die.

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Terminologies used in cattle

Answers

Answer:

Like.. naming types of cattle?

Explanation:

Names for cattle ? or names.. for things used on cattle, or things done to cattle... elaborate and i can help!!!

which enzyme breaks down lipids? which enzyme breaks down fats? which enzyme breaks down proteins?​

Answers

Answer:

lipase enzymes, lipase, proteolytic enzymes

Answer:

for lipids and fat is same enzyme that is lipase enzyme. protease enzyme is for proteins.

Please help I have one more attempt. I need help labeling the upper muscles of the arm.

Answers

There are four muscles in the upper arm. These muscles are Brachialis, Biceps brachii, triceps brachii, and coracobrachialis.

What is the function of muscles in the upper arm?

The upper arm has many muscles which are arranged in different compartments. The muscles in the upper arm are the muscles that connect the scapula with the thorax and are responsible for most of the movement of the scapula. The muscles that link the humerus are responsible for the movement of the arm. The muscles in the arm or the forearm move the arm, wrist, and hand.

The humerus is where the muscles that move your arm are located. The humerus is made up of the following muscles: Tricep, Biceps, Brachial, and Bicepsioradial. The 20-plus muscles that cause the majority of wrist, hand, and finger movement are located along the arm. The labeled image of the arm is attached below.

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What do spindle fiber and flagella have in common:
Select one:
a. They are examples on a structure called a microfilaments
b. They are all structures found in prokaryotic cells
c. They are microtubules
d. They are found in the nuclei of eukaryotic cells

Answers

Answer: c

Explanation: Spindle fiber: is a microtubules that comes out from the centrosomes when the cell is preparing for division. They are responsible for the segregation of sister chromatids and movement of chromosomes during mitotic and meiotic division.

Flagella: a slender threadlike structure, especially a microscopic appendage that enables many protozoa, bacteria, spermatozoa, etc. to swim.

The thread-like structure is called chromosomes.

This can conclude that microtubules are common in spindle fiber and flagella.

The change in frequency of bean types over generations demonstrates how natural selection drives evolution by changing allele frequencies within a population.

a. True
b. False

Answers

A.True hdhdhdheshdhhdhdhd
The answer is true change in frequency of bean type over generation demonstrates

Jacqueline is a 42-year-old woman who is in her third trimester of pregnancy. Jacqueline has had three other children; their birth weights were 9.0 lbs, 9.5 lbs and 9.3 lbs. Jacqueline is a smoker with high blood pressure, and has gained 75 pounds during the last 4 months. 1. What is your diagnosis? 2. What test can you use to confirm your diagnosis? 3. What is Jacqueline's prognosis? 4. What treatments are available?

Answers

 The health condition identified is diabetes in pregnancy. To confirm my diagnosis, blood glucose test is performed.Jacqueline's prognosis, that is cause of the medical conditions, is gotten from her history of over weight babies and smoking. The available treatment is insulin injections.

Diabetes mellitus is a metabolic condition that occurs when the pancreas fails to produce enough insulin or when the body fails to use the insulin produced for glucose metabolism thereby leading to hyperglycaemia (increased blood glucose levels).

In pregnancy, diabetes is suspected in women who give this type of history:

Previous Delivery of babies weighing 9.0lbs and above.Cigarette smoking. And abrupt weight gain toward term of pregnancy.

Constant monitoring of Jacqueline is required to prevent complications during and after the pregnancy. This is done by performing series of tests and giving insulin injections when the need arises.

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Determine the correct energy transformations during the generation of electricity from fossil fuels.
A. Heat to Chemical to Electrical to Kinetic
B. Heat to Kinetic to Electrical to Chemical
C. Kinetic to Chemical to Heat to Electrical
D. Chemical to Heat to Kinetic to Electrical

Answers

Answer:

D. Chemical to heat to kinetic to electrical

The correct energy transformations during the generation of electricity from fossil fuels are D) Chemical to Heat to Kinetic to Electrical

What converts chemical energy to kinetic energy to electrical energy?

Batteries used in torches, computers, toys, and camera cells, are actually made up of chemical cells which convert the chemical energy from the batteries to the electrical energy required for the devices to work well.

What are the main energy types?

Examples of these are light energy, heat energy, mechanical energy, gravitational energy, electrical energy, sound energy, chemical energy, nuclear or atomic energy, and so on. Each form can be converted or changed into the other forms.

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A change in an organism's body is a(n)
A change in the environment is a(n)
A. instinctive, learned
B. internal stimulus, external stimulus
C. chemical signal, display
D. association, condition

Answers

Answer:

I believe is C. I might be wrong  

Explanation:

¯\_(ツ)_/¯

A change in an organism's body is an internal stimulus, while a change in the environment is an external stimulus. Thus, the correct option is B.

What is the Environment?

An environment may be defined as anything which is present in the surrounding of living entities through which it interacts for various purposes.

There are a lot of alterations in the body of an organism with respect to time. Apart from organisms, a lot of changes have also occurred in an environment gradually and continuously.

Changes in the organism's body are internal so it is called internal stimulus, while alterations in the environment are externally made so they are called external stimulus.

Therefore, the correct option for this question is B.

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break down component parts​

Answers

Answer:

part c of the components

what is endocrinegland?​

Answers

An endocrine glad is ductless glad in the body that releases hormones directly into the bloodstream

PUT THESE ANSWERS ON THE RIGHT SIDE OF THE SCANTRON)
1. ENTR MEANS _______
2. AMYLO MEANS _______
3. ______ MEANS LIVER
4. ______ MEANS STOMACH​

Answers

Answer:

PUT THESE ANSWERS ON THE RIGHT SIDE OF THE SCANTRON)

1. ENTR MEANS _______

2. AMYLO MEANS _______

3. ______ MEANS LIVER

4. ______ MEANS STOMACH​

What type of cells are produced during
meiosis?

A. asexual cells
B. diploid cells
C. division cells
D. haploid cells

Answers

Answer:

D. haploid cells

Explanation:

Meiosis results in 4 gametes with 23 unpaired chromosomes, making them haploid cells.

Human genome experiment purpose

Answers

Answer:

El Proyecto Genoma Humano (PGH) fue un proyecto internacional de investigación científica con el objetivo fundamental de determinar la secuencia de pares de bases químicas que componen el ADN e identificar y cartografiar todos los genes de un genoma humano promedio desde un punto de vista físico y funcional, incluyendo

Explanation:

the correct answer is b

Other Questions
whats the beginning of life called - C b qut, bt u bao gi c cng qut th dy thn kinh ca ngi.Anh ny li say kht ri!Hn xng li gn, o ngc mt, gi ci tay ln na chng:- Bm khng , bm tht l khng say. Con n xin c cho con i t, m nu khng c th... th... tha c...- Hn mc mi ti, tm mt ci g, hn gi ra: l mt con dao nh nhng rt sc. Hn nghin rng ni tip:- Vng, bm c khng c th con phi m cht dm ba thng ri c bt con gii huyn.- Ri hn ci xung, tn mn gt cnh ci bn lim. C b ci khanh khch c vn t ph hn i ci ci To Tho y, c ng ln v vai hn m bo rng:- Anh ba lm. Nhng ny anh Ch , anh mun m ngi cng khng kh g. i To n cn n ti nm mi ng y, anh chu kh n i cho ti, i c t nhin c vn. If average of the numbers 3,9,5,7 and Q is 5 times the value of Q, find the value of Q what are the sequence of events on finding forester V Page 1. What is the acceleration due to gravity at poles in m/s2.if it is 9.78 at the equation -> 1. What is the basic economic problem that societies must solve?A Who will consume the goods and services?B How will the goods and services be produced?C What goods and services should be produced?D How to allocate resources in order to best satisfy the needs and wants of people.2.In which economic system are price signals, resulting from supply and demand forces, the only determining factor for the goods and services that the economy produces?A a market economyB a traditional economyC a mixed economyD a command economy3.How do property rights influence the exchange of goods and services in the market?A Property rights determine ownership of resources among businesses, individuals, and governments.B Property rights prevent market failures from arising in an economy.C Property rights allow consumers' wants and needs to control the output of producers.D Property rights prevent producers from exhibiting profit-seeking behavior.4.A traditional economy is an economy where ____________A economic decisions are based on price signals from supply and demand forces.B economic decisions are based on traditions, culture, and beliefs.C economic decisions are made by the government.D economic decisions are made by the government for some resources and are based on supply and demand forces for others.5. Which economy has the highest level of consumer sovereignty?A command economyB market economyC mixed economyD traditional economy Due the end of the week pls help. 1. They have been pen pals and .at least once a week.a. speak b. stay c. take d. correspond How many solutions does the system have?x+y=35x+5y=15 como desarrollo la sociedad actual las figuras heroicas?? Which of the following equations have no solutions?Choose all answers that apply:-60.2 + 32 = 32x + 60-60.X + 32 = 322 - 60-60.2 + 32 = -60.2 + 60-60x + 32 = -60.2 - 32 Thi k no cha c nh nc You gonna take me to jail?" asked the boy, bending over the sink."Not with that face, I would not take you nowhere," said the woman. "Here I am trying to get home to cook me a bite to eat and you snatch my pocketbook! Maybe, you aint been to your supper either, late as it be. Have you?""Theres nobody home at my house," said the boy."Then well eat," said the woman, "I believe youre hungryor been hungryto try to snatch my pocketbook.""I wanted a pair of blue suede shoes," said the boy."Well, you didnt have to snatch my pocketbook to get some suede shoes," said Mrs. Luella Bates Washington Jones. "You could of asked me.""Mam?" What is the benefit of setting boundaries?A. It promotes selfishness.B. It shields you from positive behaviors.C. It enables you to react emotionally.D. It empowers you to stand up for yourself. How does the boys of winter fit the genre of non fiction what are the types of urbanization who invented bicycle 1423x + 22X=degrees. - Complete the following past simple and continuous events. Choose the correct alternative 7. I _______________ a novel while my mother ___________.a) was read / was cookingb) read / cookedc) was reading / was cookingd) was reading / cooks8. I ___________ out of the window when the accident happened.a) was lookedb) lookedc) lookingd) was looking9. You ___________ while I ____________.a) played / studyb) were playing / studyingc) were playing / was studyingd) were played / was studying10. He _____________his homework when his father came home.a) were doingb) was doingc) didd) did do Which property does the following statement illustrate? (a+b)c = (b+a)cA: associative B: Commutative C: Identity D: None