apakah satu-satunya bahan yang wujud secara semula jadi dalam ketiga-tiga keadaan jirim?​

Answer:

The answer is C: Vacuole

Answer:

C) Vacuole

Explanation:

Answer:

hey

Explanation:

its raining heavily here ,what of that side

Synovial fluid is present in the synovial cavity/joint. An inner layer called the synovial membrane and an outer layer called the fibrous membrane make up the joint capsule, which structurally holds the bones together.

A type of synovial joint that allows for axial rotation is a pivot joint, commonly referred to as a rotary joint. The concave surface of a second bone and an adjacent ligament form a ring around the rotating bone. The zygomatic bone is shown in blue, the maxilla bone is highlighted in red, the nasal bone is highlighted in yellow, the lacrimal bone is highlighted in purple, the mandible is highlighted in green, and the skull is highlighted in grey.

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Answer:

Our scientific explanation framework consists of four components: (1) claim, (2) evidence, (3) reasoning,1 and (4) rebuttal.

Explanation

Answer:

Please find the role of teeth, tongue and saliva in digesting guava below

Explanation:

Digestion is generally the process of breaking down complex food substances into their simplest form. However, as easy as this sounds, there are series of processes that must take place in between to achieve the final result.

Once a food substance like guava enters the mouth (ingestion), it initially gets chewed by the TEETH in order to break it down to smaller masses that can be swallowed. During the process of chewing, the TONGUE helps to move the food around the mouth and later helps push it down the gullet/digestive tract. SALIVA, on the other hand, creates a moisturizing environment for the food to form a Bolus (round mass of food ready to pass down the esophagus). The saliva also contains an enzyme called AMYLASE that helps chemically degrade starch content of the food before passed through the digestive tract.

Understanding gas and vapours in a work setting is incredibly important for workplace safety. Gas and vapours can contain noxious substances that, if exposed to, can lead to serious injury or health implications.

In order to prevent such accidents, employers must perform risk assessments in order to assess and identify any areas of risk and put in place control measures to limit them. If gas and vapours are used onsite, then suitable ventilation and extraction systems should be in place.

Employers should also ensure that their staff are aware of the potential risks associated with such substances and provide adequate training and instruction in how to work safely. Finally, employers should also check that any necessary personal protective equipment is provided and communications are in place to be able to notify relevant emergancy responders in case of an accident.

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Reabsorption of Cl-, Ca2+, and K+ at the PCT occurs by cotransport with glucose. NH4+ is secreted after ammonium/proline reabsorption.

Angiotensin II causes the production of Aldosterone to increase Na+ reabsorption in the DCT (distal convoluted tubule). Aldosterone causes Na+ ions to be transported from the tubule into the interstitial fluid and K+ ions to be transported in the opposite direction.

Angiotensin II, a hormone that regulates the body's fluid balance and blood pressure, causes the release of renin, which activates the renin-angiotensin-aldosterone system (RAAS).

ADH, or antidiuretic hormone, is produced by the pituitary gland and increases the amount of water reabsorbed in the collecting ducts of the nephrons.

Aldosterone is a hormone produced by the adrenal cortex that increases Na+ reabsorption in the DCT (distal convoluted tubule) and the collecting duct, while increasing K+ secretion.

Most of the filtrate compounds are reabsorbed in the PCT (proximal convoluted tubule), including Cl-, Na+, HCO3-, and K+.

Most of the reabsorbed compounds from the filtrate end up in the peritubular capillary. Reabsorption of Cl-, Ca2+, and K+ at the PCT occurs by cotransport with glucose. NH4+ is secreted after ammonium/proline reabsorption.

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A somatic mutation contributes to variation in the population it will not be inherited by individuals in the next generation.

A neutral mutation is any mutation that does not affect the fitness of an organism and they are generally found in non-coding genome regions instead of protein-coding regions.

Nonetheless, it is important to highlight that a mutation in an intron may also have evolutionary significance if it has regulatory roles associated with gene expression.

In conclusion, a new mutation arises in the intron of a gene in a somatic cell, thereby this mutation contributes to variation in the population it will not be inherited by individuals in the next generation.

Complete question:

Fill in the blank. A new mutation arises in the intron of a gene in a somatic cell. This mutation contributes to _____ in the population _____ by individuals in the next generation.

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Answer:

okay

Explanation:

1. When different forces have the same magnitude but go in oppisate direction

2.oppisate direction

3. speed and time

Answer: If the ocean is more acidic, the marine life will die or contaminated. If marine life is being polluted with acidic, that means that we will die. We all eat fish and other marine organisms, but since the marine organisms are being contaminated with acidic, then we will die from the ingestion of poison.

Explanation: Hope this helps :))))

Answer: b c d

Explanation:

Hkk

The shifts of the hydrogen absorption spectrum of a galaxy provide evidence for :

B. Temperature of the galaxy

C. Motion of the galaxy

D. Composition of the universe

Thus, the three correct answers are B, C and D.

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a) The fossil record accounts for 20% of all geologic time.

b) 0.007% of earth’s history has earth been occupied by modern humans.

Fossils are the remains or traces of extinct living things. Examples include fossilized bones, shells, exoskeletons, animal or microbe imprints in stone, amber-preserved objects, hair, petrified wood, oil, coal, and DNA traces.

The collection of all known and undiscovered fossils over a period of time is known as the fossil record.

Among the reasons fossil records are significant are:

1) Scientists can learn about the Earth's past by studying fossil records.

2) The evolution of organisms that are alive today is inferred from fossil records.

3). It is useful to comprehend the evolution of life in.

Therefore, 20% of geologic time is represented by the fossil record.

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The statement "The number of mitochondria inside a cell remains constant over the life of a cell" is False.

Mitochondria are tiny organelles, or structures within cells that are responsible for producing energy for the cell to carry out its functions. Mitochondria produce energy by transforming nutrients into a chemical form of energy known as ATP (adenosine triphosphate) in a process known as cellular respiration. During cellular respiration, mitochondria consume oxygen and glucose to generate ATP. Because of their role in energy production, cells with high energy demands, such as muscle cells and nerve cells, tend to have more mitochondria than cells with lower energy demands.

However, the number of mitochondria within a cell is not fixed and can change depending on the cell's energy requirements. The number of mitochondria may increase when the cell needs more energy, such as during exercise, and decrease when energy requirements are low. Additionally, mitochondrial numbers can also decrease with age or due to damage caused by toxins or disease.

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Answer:

The correct answers are 2 3 4 5

The answers are: B, C, D, and E

Answer:

I think it is A

Explanation:

hopefully im right so sorry if not

It is A

hope this helps

Two crucial jobs are carried out by bilesalts in the digestive system: emulsify big fat droplets into smaller ones and act as detergents.

This process increases the small intestine's surface area again for action of lipase, enhancing fat absorption.Bilesalts emulsify & solubilize fats, facilitating the absorption of lipids. Lipids are suspended in water by surrounding water-soluble lipid particles, creating tiny particles. The micelles that these tiny particles create with lipids are known as. Bile acids are powerful "digestive surfactants" that function as emulsifiers to aid in the absorption of lipids, including fat-soluble vitamins (1,2). About 50% of the total turnover of cholesterol is accounted for by bile acids, which are the main mechanism for degradation of cholesterol (1).

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Water fluoridation and cancer risk in assessing whether fluoridated water can cause cancer, osteosarcoma is so rare that there is little need to study the risk of fluoride. fluoride should not be added to water according to research from dentists.

Fluorides are compounds formed by combining fluorine with another material, usually a metal. Fluoride monofluorophosphate, sodium fluoride, and stannous fluoride are a few examples. (MFP fluoride).

Some fluorides exist naturally in soil, air, or water, though fluoride levels can vary greatly. Fluoride is present in almost all water. Fluoride can also be found in plant and animal foods.

Fluorides are absorbed into the bloodstream through the digestive tract once within the body. They circulate in the blood and tend to congregate in calcium-rich tissues such as the bones and teeth.

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Answer:

there is a need for further research

there is a zero percent chance

Answer: 50%

Explanation:

The genotypes would be RR(red) x RW(pink) which would yield 2 RR offspring and 2 RW offspring

Sorry if it’s too late

Answer:One that gets burried quickly

Explanation:If an organism or its trace gets buried quickly, it is less likely to be destroyed.

Answer:

When an organism is buried rapidly, there's less rot and a superior chance for it to be protected. The difficult parts of organisms, such as bones, shells, and teeth have distant better; a much better; a higher; a stronger; an improved">a stronger chance of getting to be fossils than do gentler parts. One reason for this is often that foragers for the most part don't  eat these parts.

Explanation:

The substance that is a compound is CO₂; the correct option is B

The number of atoms of each element in the chemical formula P₂O₅ is

2 phosphorus and 5 oxygen; the correct option is option A

In the compound magnesium phosphate having the chemical formula Mg₃(PO₄)₂, the 2 in the formula Mg₃(PO₄)₂ means that there are two phosphate ions in a molecule of magnesium phosphate; the correct option is D

The number of atoms of each element present in 4 Na₃PO₄ is:

12 sodium, 4 phosphorus, 16 oxygen; the correct option is D

Model B is better than Model A because Model B shows the three-dimensional shape of the molecule, but Model A does not; the correct option is B.

The number of atoms of oxygen in the chemical formula 2 Ca(ClO₂)₂ is 8; option D is correct.

The number of atoms of nitrogen in the chemical formula Ni(NO₃)₂ is 1; the correct option is B.

The type of model shown is a ball-and-stick model; the correct option is D

The statement that describes how chemical formulas, such as H₂O, represent compounds is: they show the elements that make up a compound; the correct option is B

The best description of a molecule is: a molecule of a compound is composed of at least two atoms; the correct option is C.

Compounds are substances composed of two or more elements chemically combined together.

Compounds are usually represented by formulas that show the number of atoms of each element present in the compound.

Molecules are formed when two or more atoms of the same or different elements combine.

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We will do the staining of an endospore bacterium.  We will do spore staining of Spore-forming bacteria include Bacillus (aerobic) or Clostridium (anaerobic) species. We will use Indian ink stain for the staining. Specially Saferin ( for gram negative ) and Crystal Violet ( for gram positive).

Because the gram-positive bacteria retain the crystal violet colour and stain purple whereas the gram-negative bacteria lose crystal violet and stain red. Thus, the two types of bacteria are distinguished by gram staining. Gram-negative bacteria are more resistant to antibodies because their cell wall is impenetrable.

The main purpose of endospores staining is to differentiate bacterial spore formers from non-spore formers. Spores are resistant to heat, dessicated chemicals and radiation. Within bacteria, endospores are protective structures used to survive extreme conditions but this protective nature makes them difficult to stain using normal techniques such as simple staining and Gram staining.

The India ink stain is used to stain capsules. Capsules appear as a well defined clear zone around the cell. Capsule formation may be evident in smears from clinical specimens, but not when the organisms are grown on most common laboratory culture media.

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To produce octanoic acid via the malonic ester synthesis, the appropriate alkyl halide would be ethyl chloride. Here option B is the correct answer.

The malonic ester synthesis is a method for introducing alkyl groups into a carboxylic acid chain. It involves the reaction of diethyl malonate with an alkyl halide in the presence of a base.

In this case, we want to produce octanoic acid, which has the structure \(CH_3(CH_2)_6CO_2H\). To achieve this, we need to introduce an alkyl group with six carbon atoms. Ethyl chloride contains an ethyl group which has two carbon atoms.

By treating diethyl malonate with ethyl chloride in the presence of a base, the ethyl group from ethyl chloride will replace one of the ester groups in diethyl malonate. Subsequent hydrolysis and decarboxylation steps will then yield octanoic acid. Therefore option B is the correct answer.

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Complete question:

Which of the following alkyl halides should be used to produce octanoic acid via the malonic ester synthesis?

a) Methyl iodide

b) Ethyl chloride

c) Propyl bromide

d) Butyl fluoride

Answer:

a carbohydrate

Explanation:

CH2OH is structure of a carbohydrate.

Answer:

I think it's 10,000

Explanation:

what I did was 59x200 and I am 4th grade so if I get it wrong I am so sorry

When the nerve cell is said to be resting, it means that the cell is polarized, the outside is positive and the inside is negative.

What is a nerve cell? A nerve cell, also known as a neuron, is an electrically excitable cell in the nervous system that communicates with other cells through specialized connections called synapses. A nerve cell is the structural and functional unit of the nervous system in charge of carrying electrical impulses throughout the body.

What is polarization?Polarization is a term used to describe the separation of electrical charges across a cell membrane. A resting nerve cell is polarized, indicating that the electrical charge of the cell's interior is negative in comparison to the charge of the cell's exterior. The inside of the cell is negative in comparison to the outside, so the resting potential is negative. During resting, the membrane potential of a nerve cell ranges from -60 to -70 mV.

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Answer:

option d cos the heart does more work than others

Ecosystem-based management is an approach that takes into consideration the entire ecosystem and its interconnected components when making decisions about natural resource use. It can help advance sustainable natural resources use in Guyana by promoting a holistic and integrated approach to conservation and management.

To develop a plan for the conservation of natural resources in Guyana using ecosystem-based management, the following steps can be taken:

1. Identify and understand the ecosystems: Conduct comprehensive assessments to identify and understand the various ecosystems present in Guyana, such as forests, wetlands, rivers, and coastal areas. This will provide insights into the biodiversity, ecological processes, and services these ecosystems offer.

2. Assess the state of the resources: Evaluate the current status and trends of natural resources in Guyana, including flora, fauna, water bodies, and minerals. This assessment will help identify vulnerable or endangered species, areas of high biodiversity, and potential threats.

3. Establish conservation goals and objectives: Define specific conservation goals and objectives based on the assessments conducted. These goals should consider the need to protect biodiversity, maintain ecosystem services, and support sustainable livelihoods for local communities.

4. Engage stakeholders: Involve relevant stakeholders, including government agencies, local communities, indigenous groups, NGOs, and scientific experts. Encourage their active participation in decision-making processes to ensure diverse perspectives are considered.

5. Develop management strategies: Based on the conservation goals and stakeholder input, develop management strategies that integrate the principles of ecosystem-based management. These strategies should focus on protecting key habitats, managing land and water resources sustainably, and minimizing impacts from activities such as mining, logging, and agriculture.

6. Implement and monitor: Put the management strategies into action, ensuring proper enforcement of regulations and policies. Regularly monitor and evaluate the effectiveness of the implemented strategies to identify any necessary adjustments or improvements.

7. Promote education and awareness: Raise awareness among the public and stakeholders about the importance of ecosystem-based management and sustainable natural resource use. Promote education and capacity-building initiatives to empower local communities to actively participate in conservation efforts.

By adopting ecosystem-based management, Guyana can enhance the sustainable use of its natural resources while safeguarding its unique ecosystems and supporting the well-being of its people.

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Answer: a transform or a lateral fault

Explanation:

Stem is an example of negative gravitropism. Thus the correct matches are A-4, B-1, C-3, and D-2.

A tropism is a phenomenon, which indicates the growth or turning movement of an organism, usually a plant, in response to an environmental condition. Types of tropism are shown by the parts of plants.

The phrases with the types of tropism are matched below

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Your question is incomplete. The complete question would be

A. Stem is an example of a?

B. The root is an example of a?

C. Coils around any object it touches are an example of?

D. Grows toward light is an example of a?                  

Types of tropism

1. negative gravitropism.

2. phototropism.

3. thigmotropism.

4. positive gravitropism.