Answer:
D
Explanation:
Which energy source contributes least to global warming?
Answer:
ITS D
Geothermal energy is generally considered environmentally friendly and does not cause significant amounts of pollution. ... Harnessing geothermal energy does not involve any fuels, which means less cost fluctuations and stable electricity prices. Small footprint on land – can be built partially underground.
The environmental effects of geothermal development and power generation include the changes in land use associated with exploration and plant construction, noise and sight pollution, the discharge of water and gases, the production of foul odours, and soil subsidence.
SO YOU SEE THE ANSWER IS D
HOPE I HELPS PLEASE MARK ME BRAINLIEST.
Explanation:
Answer:
D: Geothermal.
Planting young trees in areas where older trees have been harvested is part of
A. Clear cutting
B. Logging
C. Selective cutting
D. Sustainable forestry
can someone answer this
Answer:
B) 64
Explanation:
Describe the factors that impact the ability for a skeletal muscle fiber to reach tetany. How do these factors influence the difference in twitch force as the muscle moves from a single twitch to a state of tetanus?
Answer:
Tetanus is a very aggressive disease generated by clostridium tetani, this clostridium, which is a bactera, releases a toxin that generates tetanization of the muscle, where it contracts massively and simultaneously, remaining over time, similar to a contracture and very different from synchronized and sporadic contraction that requires locomotion or other physiological contractions.
The Tetanus toxin acts as a toxin for the muscle cells that make up the skeletal muscle fiber, which unfortunately leads to the progressive death of the patient who suffers from it.
In simple words, tetanus generates muscle spasms that are maintained over time, preventing the function of the organ, that is, of the muscles, immobilizing them and prohibiting them from other movements.
Patients who reach the target are affected by the diaphragm that contributes to respiration, therefore many of the tetanized patients die in a similar way to suffocation due to a constant spasm of the diaphragm.
Explanation:
The bacterium is found in sporulated form on the ground or on oxidized surfaces, that is why it is important to sterilize oxidized elements or to decontaminate them, and to apply the antithetical vaccine, which is what prevents them from suffering from said pathology.
In simple words, the great differences between a physiological contraction of muscle fibers and tetanized contractions is the time in which they occur, since tetanization lasts over time and physiological does not, and the power of contraction in tetanization is greater. , since the toxin of said bacterium potentiates the ionic channels thus generating an increase in the contractile capacity of the muscle fiber compared to the physiological or health situation.
In order for the toxin to have an effect, the bacteria must leave its sporulated state, release the toxin and the wound must be deep enough for the bacteria to enter the bloodstream, after which the toxin enters the myocytes that are muscle fiber cells intensifying muscle spasms by opening calcium channels in a longer period of time, calcium channels are those found in the REL of myocytes, which act as a reserve for this ion, triggering so that the Z lines of the sarcomeros definitively approach spasmodically by shortening the length of the sarcomero.
Why do you think the pace of the development of society is not equal everywhere?
Write in four points.
The correct answer to this open question is the following.
These are the four points that explain the reason why the pace of the development of society is not equal everywhere.
1.- Education. Formal education is of the utmost importance in societies that are considered developed or part of the first world. On the other hand, lack of education is a major reason why people stay ignorant and progress is minimum. Governments must invest in a good public education system with opportunities for all.
2.- Infrastructure. If the country cannot cover the necessities of its citizens, it would be more difficult to develop the kind of infrastructure that allows growth for the nation. This means poor means of communication, poor road conditions, lack of trade systems, poor health services, and limited resources to create jobs in industries.
3.- Culture. People's idiosyncrasy has a lot to do with the way they think and behave. This directly impacts the way people see life, personal progress, ambitions, and aspirations.
4.- Location. Often, geographical location limits the progress and development of a country. For instance, Middle East countries have a problem accessing water resources. Or countries that have geographical features such as mountain ranges or deserts that limit communication and trade with other countries.
The pace of development of society is not the same everywhere, because geography, economy, natural resources and technological development are not the same, these being important points for the development of a society.
What is Social Development?Social development is an important factor found in society, capable of changing its social and economic course, so that the increase in social development means an increase in human capital and in social capital itself, moreover, it means more than a quantitative issue. , but also something qualitative.
With this information, we can conclude that pace of development of society is not the same everywhere, because geography, economy, natural resources and technological development are not the same, these being important points for the development of a society.
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______________ surround each stoma and control its size.
A. Spongy Layer
B. Guard Cells
C. Palisade Layer
Answer:
The answer is B.
Explanation:
Guard cells is nearest to stomata which surround each stomata and control the size of stomata.
Which molecular formula corresponds to this model of a chemical compound? (black = carbon; red = oxygen; white = hydrogen) A ball-and-stick model has two black balls bonded to each other at center, with single-bonded red balls bonded to white balls above left and below right, and double-bonded red balls above right and below left. C2(OH)4 C2H2O4 C2H4O2 C4H2O2
Answer:
C2H2O4
Explanation:
The molecular formula can be derived through the below analysis.
Two black balls (C) bonded to each other at the center = C2
Single-bonded red balls (O) bonded to white balls (H) above left and below right = (OH)2 = O2H2
Double-bonded red balls above right and below left = O2
Adding the three together = C2 + O2H2 + O2 = C2H2O4
The correct answer is C2H2O4
Answer:
b
Explanation:
just took the test on edu 2022
What is thw purpose of the proper handling of experimental subjects?
Answer:
To ensure that good and reliable data are collected.
Explanation:
:)
why is waters high specific heat good for living things
Answer and Explanation:
Water's high specific heat means that the temperature of the water takes a long time to change. Living things that live near bodies of water experience temperatures different than inland, which is typically advantageous. During the summer, water remains cooler than the air for a period of time, and in the winter, the water remains warmer than the air for a period of time. In turn, the air in the areas with a body of water is typically increased or decreased a few degrees in temperature depending on the season. In the winter, this also produces what is called the "lake effect", in which snow is produced during cooler atmospheric conditions when a cold air mass moves across long expanses of warmer lake water.
Water is the least dense when it
Answer:
Water is least dense at 0°C (freezing point)
Two black-fur mice are bred, and have the litter shown below. What is the most likely explanation for the presence of the white-fur offspring?
Answer:
an alike gene I think idk
Answer:
Both of the parents are heterozygous.
Explanation:
what words are missing? help pls
Two types of technological devices used to obtain data from remote regions of Earth’s biosphere are _______and ________ .
Answer:
Satellites
Localised instruments.
Explanation:
Satellites are technological device that is use to provide information from.some region of the Earth's biosphere like oceans , clods, lands e.t.c.It uses radar or optical sensor to capture images on the Earth. Satellite orbits round bigger objects.
Localised instruments are technological devices that is also use to provide information about the Earth's biosphere.
Which level of classification includes the most species
Answer:
Domain is the highest level of classification.
Answer: Domain
Explanation:
List and briefly describe in your own words the four main points of Darwins theory.
Answer:
Individuals of a species are not identical, Traits are passed from generation to generation, more offspring are born that can survive,and only the surviovrs of the competition for resources will reproduce.
Explanation:
The universe can be explored using visible and invisible forms of light. These dishes (that detect radio waves from outer space) are part of a much bigger telescope in New Mexico. What is its name? A. Viking B. Voyager C. Very Large Array D. International Space Station
There are 28 radio antenna, which are essentially satellite dishes. Only 27 are in operation at any given time, leaving one to sit out for maintenance. Astronomers using this array were able to observe black holes, and also observe the formation of interplanetary disks, among many other applications as well.
The reason why so many dishes are used is to increase the faint signal that is received from such a long distance away (often lightyears away). The 27 dishes are effectively the same as having a single radio dish that is 36 km (22 miles) in diameter. Having such a impossibly massive satellite dish is not feasible, so it's more practical to go with 27 smaller dishes.
What are the four main types of carbon based molecules.
Answer:
Lipids, proteins, nucleic acids, and carbohydrates.
Explanation:
These carbon-based molecules make up all organisms and living things. These 4 molecules are the four major types of carbon based molecules
Lipids, proteins, nucleic acids, and carbohydrates are the four main types of carbon based biomolecules.
What are biomolecules ?Biomolecules can be defined as the basic component of all living cell and it is the primary building blocks like Carbohydrates, Proteins, Fats, Nucleic Acids.
Carbohydrates or sugars are the primary energy source of body which are composed of polyhydroxy aldehydes or ketones formed by hydrolysis reaction; It can be monosaccharide, oligosaccharide and polysaccharides.
Proteins are the structural unit and it express character of a gene and synthesized by translation from RNA; It is a polymers of amino acids, can be up primary, secondary, tertiary and quaternary protein.
Nucleic acids are the house of all genetic material of the cell which are up two types namely, deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).
Lipids are insoluble substance as it can not dissolve in water, soluble in only in non-polar solvents, include sterols, fat-soluble vitamins, mono-, di- or triglycerides, phospholipids, etc.
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In which areas does acid rain most likely form before precipitating in locations downwind?
A large cities with a high volume of smog
B large cities with a low volume of smog
C coastal cities that are not developed
D small farming areas near lakes
Answer:
A) large cities with a high volume of smog
Explanation:
WARM-UP
Which statements are true? Check all that apply
In eukaryotes DNA is found in the cytoplasm of the cell
RNA is the nucleic acid that helps build proteins
DNA is the nucleic acid that carries genetic infomation
The structure of proteins is determined by DNA
A chromosome is made of RNA
DONE
which statements are true
Answer:
answer is 2,3,4 on edge
Explanation:
took the test
Answer:
2,3,4
Explanation:
edge 2020 warm-up
In an experimental study of the effect of copper deficiency on coat color in bicolored juvenile rats, the independent variable is?
Answer:
amount of copper
Explanation:
The independent variable would be the amount of copper fed into the experimental rats.
An independent variable during an experiment is a variable whose value is not dependent on any other variable being measured in the experiment.
The value of an independent variable is not changed by any other variable in an experiment. In actual fact, the effect of the independent variable is being tested on other variables (dependent variables) in the experiment.
Hence, in an experimental study of the effect of copper deficiency on coat color in rats, the amount of copper fed into the system of the rats will be varied and the effects of this variation on the coat color of the rats would be observed by measuring relevant variables. Therefore, the amount of copper is the independent variable.
The iodine test is positive for simple sugars if the substance turns bluish purple
Answer: True
Explanation:
Regulating the manufacture of
is the function of RNA.
protein
cells
energy
Answer:
The correct answer is option A, that is, proteins. RNA functions to transform the directions found in messenger RNA into the chain of amino acids, which forms the proteins. Thus, the ribosome is accountable for the production of proteins.
HOPE IT HELPS : D
Explanation:
HIF1α is a key player in angiogenesis. VHL is a protein required for the degradation of HIF1α in the normal oxygen level. Loss-of-function mutations in the VHL gene have been found to promote tumor growth. Please explain why these mutations can promote tumor growth?
Answer:
Explanation:
The VHL gene is a tumour suppressor gene that regulates cell growth and cell death. This gene is also located on chromosome 3. It functions to prevent rapid proliferation of cells. For a person to develop tumor both copies of the gene must be mistake or altered allowing for a loss of function that prevents its from causing degradation of HIF1α in the normal oxygen level as its it normal function. This then allows for the survival of HIF1α that promotes amgiogenesis promoting tumor development.
outline the digestion of fats
Answer:
In the small intestine , bile salts emulsify fats. They lower the surface tension of the fats , that is , they reduce the attractive forces between the fat molecules . This causes the fats to break into tiny fat droplets suspend in water , forming an emulsion . Note that this is just a physical break -up , but no chemical digestion of fat molecules has occurred . Emulsification increases the surface area to volume ratio of the fats , speeding up their digestion by lipase.
Emulsified fats are digested by lipase (pancreatic and intesɠintestinal lipases ) to fatty acids and glycerol . Thus the end - products of fat digestion are fatty acids and glycerol .
Explanation :
hope it helps :)
Which best describes a virus
Answer:
Viruses are nonliving and infect host cells.
Answer:
A virus is an infectious agent and it only spreads inside living organisms. They can attack anything that is living... animals, plants, people, ecs
Explanation:
In a modern hive of honey bee, honey is harvested from
Brood box
Top cover
The hive stand
The super
Explanation:
the process of groeing honey is Apiculture
The image below shows plant cells. What feature of cell theory is best demonstrated in the image? A. Cells are the basic units of structure and make up tissues. B. Organisms have cells with different shapes and functions. C. Cells are formed from other cells. D. Organisms are made up of a large number of cells.
I couldn't see ur picture But I think from the options I think the answer is option D
D) organisms are made up of large number of cells
The feature of cell theory that is best demonstrated in the image is organisms are made up of a large number of cells. Thus, the correct option for this question is D.
What is Cell theory?The cell theory was proposed by two famous scientists. i.e. M.J. Schleiden and T. Schwann. There are three assumptions that fall under the cell theory.
All living organisms whether plants or animals are made up of cells.A cell is the smallest unit of all living organisms.It is the basic structural and functional unit of life.Cell theory was further refined by German biologist Rudolf Virchow in 1855. According to him, all cells are arising from pre-existing cells.
According to the three assumptions given above, the one which is best demonstrated by the image is that Organisms are made up of a large number of cells.
Therefore, the correct option for this question is D.
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Look at the chemical reaction below
Magnesium + hydrochloride acid —> magnesium chloride + hydrogen
Mg + 2HCI —> MgCI2 + H2
In this reaction
Magnesium (Mg) is a reactant or product
Hydrogen (H2) is a reactant or product
Magnesium chloride (MhCI2) is a reactant or product
Hydrochloride acid (HCI) is a reactant or product
Answer:
Mg is a reactant ,H2 is a product, MgCl2 is a product and HCl is a reactant.
which correctly describes their offspring
Answer:
Is there more to this question?
Explanation:
What is true of table salt?
D.It has simple molecules.
C.It has only one element.
B.It is an ionic compound.
A.It has radicals.
Answer:
c because it is
What is the meaning of morant system as used in rabbit keeping?
Answer:
the design of rabbit hutches is based on this system
Explanation:
it provides a mixture of grazing area and a solid floor for sleeping
Answer: Rabbits can be grazed outside when there is plenty of green grass. This system is known as the morant system and in this case, a morant hutch is used. A moran t22 hutch is a basketlike cage which is built and transferred to different grazing areas. Rabbits are omnivorous animals that eat many food types.