which of the following is not a type of covalent bond?
A. single covalent
B. double covalent
C. triple covalent
D. tetra covalent

Answers

Answer 1

Answer:

D. tetra covalent, is not a type of covalent bond

Explanation:


Related Questions

Recirculating aquaculture systems do not reduce the amount of wastewater that is discharged into the environment. True or false

Answers

Answer:

true im pretty sure

Explanation:

Why is mRNA made from DNA? Hint: What can it do that DNA cannot do?

Answers

Answer:

Once RNA polymerase is done, the mRNA transcript has to be processed before it can make its journey out of the nucleus and to the ribosome.

Explanation:

Answer: double compared to single

Explanation: NA is made up of deoxyribose sugar while mRNA is made up of ribose sugar. DNA is present in the nucleus while mRNA diffuses into the cytoplasm after synthesis. DNA is double-stranded while mRNA is single-stranded.

which level of tornado tornados causes the greatest damage?

A: EF0

B: EF1

C:EF5

D:EF10

Answers

Answer:

The correct answer is C:EF5.  

Explanation:

The Tornado is a meteorological phenomenon that consists of a whirlwind of wind produced as a result of an air rotation of great intensity and of little horizontal extension, which extends from the base of a mother cloud. The Fujita-Pearson scale and the so-called Enhanced Fujita Scale classify tornadoes according to the damage caused. The Enhanced Scale (EF) was a refinement of the old Fujita scale, using wind estimates and better damage descriptions; however, it was designed so that a tornado rated on the Fujita scale would receive the same numerical rank, and was implemented beginning in the United States in 2007. An EF0 tornado, the weakest on the scale, possibly damages trees but not structures, as long as that an EF5 tornado, the strongest, it can cause incredible devastation; it can rip buildings off their foundations, exposing them and even deform skyscrapers. The wind speed in a tornado can reach 500 km / h.

Answer:

C

Explanation:

k12 test

The process that produces the chromosome abnormality represented in the given diagram is known as-

Answers

Answer:

Trisomy at the 21 chromosome

Explanation:

due to aneuploidy which is a form of genome mutation.

Even in aneuploidy, it is polysomy which is the presence of extra chromosomes.

Answer:

21

.......................

Lipid tails stay untangled because

Answers

They want to lalalalala

Can someone tell me why i should live

Answers

Answer:

Because your life is important and you mean so much to ppl... Your very unique in your own way :)

so pls live... think about who you might hurt when your gone...

Explanation:

What are some future treatments that are on the horizon?it about Cancer

Answers

Answer:

New discoveries in the treatment of cancer do not only centre on conventional medicine. In our haste to get to grips with a cure for cancer, natural products may be overlooked and dismissed in the fight against such an aggressive disease.

In December, the Academy of General Dentistry reported that a new study had found that simply swishing green tea around the mouth halts the growth of new oral cancer cells and breaks down and kills existing oral cancer cells. The antioxidants (polyphenols) in the tea work to remove the free radicals or oxidants and prevent gene mutations, and as an added bonus, the polyphenols can kill cancerous cells without harming normal cells and inhibiting their growth. Similarly, a chemical found in tomatoes may prevent or treat oral cancer and one derived from soybeans has been found to shrink abnormal growths that lead to cancer. While these are not cures, their activity may in the future lead to therapies that compliment conventional treatment modalities.

Perhaps combining ancient remedies with Western scientific advances is the way forward to finding an effective cure for cancer. Combrestatin – a cancer-fighting drug made from the bark of an African tree – is performing with dramatic effects in tests. The active ingredient extracted from the bark attacks the blood vessels that grow with tumors, while leaving normal blood vessels alone.

What is the purpose of mitosis?
1: to divide the nucleus of somatic cells
2: to divide reproductive cells
3: to merge two cells together
4: to divide the cytoplasm of a cell

Answers

To divide reproductive cells

Does natural selection occur in individuals or populations?

Answers

Answer:

populations

Explanation:

Answer: Natural selection occurs when individuals with certain genotypes are more likely than individuals with other genotypes to survive and reproduce, and thus to pass on their alleles to the next generation

Explanation:

could two individuals with type A blood ever produce any offspring with type O blood?

Answers

Umm yea, you’re blood wouldn’t matter

Yes, it is definitely possible that two individuals with type A blood ever produce any offspring with type O blood.

What is a Blood group type?

A blood group type may be characterized as the classification of blood, based on the presence and absence of antibodies and inherited antigenic substances on the surface of red blood cells. In humans, there are four types of blood groups are there.

A blood group: [tex]I^AI^A or I^AI^O[/tex]. B blood group: [tex]I^BI^B or I^BI^O[/tex]. AB blood group: [tex]I^AI^B[/tex]. O blood group. [tex]I^OI^O[/tex].

The blood grouping in humans is an example of co-dominance. The blood group of an individual or offspring is determined by the respective blood group of its parents. Parents with type A blood have the probability to produce any offspring with type O blood in the sense that they fuse their both specific gametes of [tex]I^OI^O.[/tex]

Therefore, it is definitely possible that two individuals with type A blood ever produce any offspring with type O blood.

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1. How would the volume and characteristics of urine change for each of the following
people (4 marks)
a. A person who had been consuming alcohol for several hours
b. A person who had consumed a litre of water after moderate exercise

Answers

I think answer should be a. Please give me brainlest I hope this helps let me know if it’s correct or not okay thanks bye

reason to be vegan:
plants dont feel pain
"thIs gUrl iS On c0ca1ne"

Answers

Answer:

Being vegan is great for your health! ... Vegans get all the nutrients that they need to be healthy, such as plant protein, fiber, and minerals, without all the nasty stuff in meat that may slow you down and make you sick, such as cholesterol and saturated animal fat.

Explanation:

Using the diagram below, what percentage of the human body is inorganic material?




O A. 25
O B. 68
O c. 74
o D. 32

Answers

I think water + mineral salts as they are not organic. So therefore in my opinion i would say B

The percentage of the human body is inorganic material -  B. 68.

The primary difference between organic and inorganic compounds is that organic molecules always contain carbon while most inorganic compounds do not contain carbon.

nearly all organic compounds contain carbon-hydrogen or C-H bonds.inorganic compounds include water, carbonic acid (H2CO3), and salts thereof.water is an inorganic molecule as well as ions and salts.Protein carbs and lipids are organic molecules.

Thus, the percentage of the human body is inorganic material -  B. 68.

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What would happen if cellular respiration does not happen?

Answers

Answer:

a cell dies

Explanation:

Answer:

it will die eventually

Some organisms that live in the intestines of cows do not require oxygen to survive. Which
the following best identifies the process by which these organisms obtain energy?
A. aerobic respiration
B. anaerobic respiration
C. diffusion
D. osmosis

Answers

Anaerobic respiration :)

Iqbal is observing a seed using a digital microscope. The length of the image is 12mm and the microscope is set to x4. What is the actual length of the seed?

Answers

Answer:

Actual length of the seed = 3 mm

Explanation:

Given:

Length of the image = 12mm

Magnification = x4

Find:

Actual length of the seed

Computation:

Actual length of the seed = Length of the image / Magnification

Actual length of the seed = 12 / 4

Actual length of the seed = 3 mm

Answer:

3mm

Explanation:

12 divided by 4

An important difference between sexual and asexual reproduction is____

Answers

Answer:

The number of offspring and the time required to generate them.

Explanation:

The number of off springs and time required to generate them is the right answer.

What is sexual and asexual reproduction?

In sexual reproduction, the offspring inherit a combination of genes from both parents, which can lead to the expression of new traits and the evolution of new species. In asexual reproduction, the offspring inherit the same genes as the parent, so there is little potential for genetic variation and evolution.

Asexual reproduction is often seen as less efficient than sexual reproduction because it does not allow for the exchange of genetic material that can help organisms adapt to changing environments.

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what are the causes and effects of the greenhouse effect

Answers

Answer:

The greenhouse effect is caused by the atmospheric accumulation of gases such as carbon dioxide and methane, which contain some of the heat emitted from Earth's surface. ... This radiation, unlike visible light, tends to be absorbed by the greenhouse gases in the atmosphere, raising its temperature

Explanation:

Answer: Infrared light cannot transmit through the atmosphere

Photosynthesis is the process of combining______and_______with______to create________.

Answers

Answer:

sunlight and water with pigment creates oxygen. I think thats the correct formation Explanation:

What creates biomass

Answers

Answer:

cow dung is the source of biomass

Explanation:

Biomass is renewable organic material that comes from plants and animals. ... Biomass contains stored chemical energy from the sun. Plants produce biomass through photosynthesis. Biomass can be burned directly for heat or converted to renewable liquid and gaseous fuels through various processes.

Help fast please i will mark brainliest if it lets me

Answers

Answer: C - Substitution

Explanation: Substitution in gene mutations occurs when a base pair is replaced by a different pair during gene replication.

In the image, the third base pair in the original molecule, C-G is replaced by A-T in the new molecule. The other pairs are the same and are not mutated.

2. Based on the distribution of these molecules, what would most likely
happen to them after a period of time passed? *
CO2
Oz
CO2
02
02
02
02
CO2
A CO2
O2
02
CO2
The concentration of 2 will increase inside the cell.
The concentration of O2 will remain the same outside the cell.
The concentration of CO2 will remain the same inside the cell.
The concentration of CO2 will decrease outside the cell.

Answers

Answer:

The concentration of O2 will increase inside the cell

Explanation:

Due to their kinetic energy, molecules in a gas, liquid, or solid are always in motion, and the concentration of O₂ will increase inside the cell, hence option A is correct.

What are distribution molecules?

There is continual movement and collision between molecules, the molecules move randomly as a result of these collisions. A continuous fluctuation of a number of substances in their relative proportions up to what is known as the limit for solubility,

More molecules will eventually be pushed into the less concentrated area. The term "solution" is most often used to describe the liquid state of matter, however, mixes of gases and solids are conceivable.

Therefore, oxygen diffuses into tissues because its concentration is higher in the blood than inside the tissue, hence option A is correct.

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The structure and function of a protein is determined by the:
A. sequence of amino acids.
B. type of RNA that it is translated from.
C. strength of the hydrogen bonds in the DNA strand the gene is from.
D. amount of ATP consumed to create it.

Answers

Answer:

A. sequence of amino acids.

Explanation:

The function of a protein is directly dependent on its threedimensional structure (Figure 3.1). Remarkably, proteins spontaneously fold up into three-dimensional structures that are determined by the sequence of amino acids in the protein polymer. ... Proteins contain a wide range of functional groups.

what looks like gold
beads are what part of the cell membrane?

Answers

Answer: nanoparticles

Explanation:

I'm having a hard time on figuring out something about me...

I have never had this problem before. I feel like I can't eat anymore. When I do eat, it makes me feel sick. What is happening? what do you call this?

help pleaseee.

Answers

well it sort of all depends on how long this has been occurring for. If you feel that what is wrong is life-threatening please seek medical help asap otherwise you might just not be hungry

12.
Which statement correctly distinguishes the functions of lipids from other types of biomolecules?
F. They are used to store genetic information.
G
They help with the regulation of blood glucose.
H.
They are a major component of cell membranes.
J.
They are made up of several different amino acids.

Answers

Answer:

they are made up of several different amino acids

2 reasons why someone might selectively breed cats

Other then to stop allergies

Answers

Answer:

Explanation:

U might selectively breed cats for desired characterisitcs like having a cat with less fur or a cat with a certain type of colour.

(GIVING BRAINLIEST!!)

Is Uranus a inner or outer planet? Explain why.






:D

Answers

Answer: The inner planets are closer to the Sun and are smaller and rockier. After an asteroid belt comes the outer planets, Jupiter, Saturn, Uranus and Neptune. The interesting thing is, in some other planetary systems discovered, the gas giants are actually quite close to the sun.

Explanation:  But it really depend on which uranus ur talking about

Answer:

Uranus is a outer planet

Explanation:

uranus had enough gravity to keep hydrogen and helium from drifting away.

the outer planets are also called the Jovian planet that is huge gas planet because of their composition

Help me please!!
I’ll brainliest u if u get it right!

Answers

Answer:

Explanation:

Water will not move in as the movement of water molecules will be the same in both directions. There will be no net movement of water molecules.

Hope this helps

Please answer me in struggling so much with this

Answers

Answer:

The answer is 42

trust me its 42

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Romeo will roll a 6-sided number cube, numbered 1-6, twice. What is the probability of rolling an odd number on the 1st roll and then the number 4 on the 2nd roll? 2)A container has an unknown quantity of gas at a pressure of 61.6 kPa, a volume of 3.9 liters, and a temperatureof 90 C, how many moles of gas do I have? Help me with this pls lol All of the following events caused theUnited States to enter WWI, EXCEPTwhich one?A. The Zimmerman Telegram.B. Sinking of the Lusitania.C. Germany's invasion of Belgium. The Northwest Ordinance of 1789, which effectively created the Northwest Territory, banned slavery in this newly created territory of the United States. What was a major long-lasting effect of the Northwest Ordinance? A) established the Ohio River as the permanent boundary between free and slave states that lasted until the Civil War B) U.S. Supreme Court recognized the authority of the Northwest Ordinance to extend to all states as the states entered the Union C) prohibition of slavery within the territory and establishing the Ohio River as the border between free and slave states in the territory D) creation of slavery within the territory and establishing the Ohio River as the border between the free and slave states in the territory What is aerobic activity? Use in your own words. Need help on practice DBQ. Needs to be DBQ format. Evaluate the extent to which the lives of workers changed as a result of industrialization during the nineteenth century.Source: Memorandum from the governor of Hunan province to the Qing imperial government in Beijing, 1883.As a result of a long investigation into the abuses of workers at the coal mines of Leiyang district in this province, the following report has been prepared:The Leiyang district is rich in coal, which has attracted many entrepreneurs. Hundreds of coal pits and mines of various sizes have been dug, but all suffer from flooding, and must be drained by means of mechanical pumps powered by workers using various treadmill contraptions. To manage the water pumps and recruit labor . . . , the mine owners typically hire agents known locally as water men.. . . 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Those who look tired are beaten on their backs with whips, and those who try to escape have their feet slashed to make their work even more painful.Document 3Source: Adelheid Popp, Austrian feminist and member of the Social Democratic Workers Party, autobiography recounting her experiences as a worker in the 1880s and 1890s, published in 1909.Soon after my father diedI was ten at the timeI was taken into a workshop where I learned to crochet shawls [by hand]. I used to run to work at six oclock in the morning when other children were still sleeping and worked diligently for twelve hours.As the years went by, I moved from one job to anotherto a workshop manufacturing bronze goods, to a metal factory, a shoe factory . . . . The work affected my health . . . a great unconquerable feeling of tiredness overcame me, and I had attacks of dizziness . . . my mother took me to see a doctor, who found me undernourished and bloodless to the last degree, and advised exercise in the open air and good nourishment. How was I to follow his orders?But at last things became better. I was recommended to a great factory, which was regarded as highly reputable. . . . Three hundred girls and about thirty men were employed. We had to sort goods that had already been manufactured, count them, and brand on them the logo of the firm. We worked from 7am to 7pm, but we had an hours rest at noon and another half-hour in the afternoon. Besides, there was the prospect of wage increases if one worked diligently, as I did. But even in this paradise . . . every one of my coworkers was poor and trembled at the thought of losing her work. All humbled themselves and would suffer the worst injustices from the foremen rather than complain, so as not to lose this good work, so as not to be without food.Document 4Source: Edith Simcox, British trade union activist and social reformer, Loss or Gain of the Working Classes during the Nineteenth Century, paper presented at a conference on industrial relations, held in London, 1885.In comparing the rate of progress in different sections of the working class, we must admit that the standard of comfort over the last decades has risen amongst the skilled class of workersfor example among the mechanical trades such as mechanicians, masons, carpenters, printing press type-setters, and so onwhen all goes well, can and do provide for their households on a more liberal scale than their equivalents at the beginning of the [nineteenth] century. The life of the skilled worker today may not yet be perfectly comfortable or picturesque, but it excludes none of the possibilities of real civilization. But we cannot congratulate ourselves on this show of progress until we have examined to what proportion of the manual labor classes this description applies.Of the more than ten million industrial workers [in Britain] today, I would estimate that no more than two million are skilled enough or securely enough employed to be living habitually in a state of ease and comparative security of the modest sort indicated above. The rest include the many millions of day-to-day wage laborers and less skilled workers, male and female, whose maximum wages only suffice for the barest necessities and decencies of life, and for whom, therefore, any mischance means poverty, turning quickly to long-term pauperism. please help, thanks if you do! 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