5.if a farmer sprays a pesticide in a field and kills half of the insect pests, he has caused a reduction ________.

Answer:

Explanation:

Once swallowed, a drink enters the stomach and small intestine, where small blood vessels carry it to the bloodstream. Approximately 20% of alcohol is absorbed through the stomach and most of the remaining 80% is absorbed through the small intestine. Hope It Helps

The answer to your question is B.

Answer:

b)DNA is the correct answer

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Answer: food chain

Explanation: because I took the test and got it right.

The given energy flow can be described as a food chain. Option D is correct.

All living organisms are dependent on other organisms for their energy needs. According to their energy dependence, all living organisms are classified into different tropic levels.

Each level in a food chain is known as a trophic level and there is a flow of energy from one trophic level to the next. The organisms in different tropic levels are classified as producers, primary consumers, and secondary consumers, and tertiary consumers.  

The Arctic sedge is an autotroph and a producer. Arctic hares are herbivores or primary consumers that feed on the Arctic sedge. Finally, the rough-legged hawks are the secondary consumers and they eat arctic hares.

Therefore, the energy flows from arctic sedge to arctic hares to rough-legged hawks.

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Frequency of failure and network recovery time after a failure are measures of the reliability of a network. So potion (b) is the correct answer.

Network recovery can be described as the processes that shape the recovery and recovery of work or business operations over computer networks.

Network recovery is important because it enables security and makes data more accessible when updating data over the network when using the Internet.

Network recovery errors mediate the formation of erroneous system results that degrade computer system performance. Ideas for reliability of network were determined, along with performance, failures, and recovery actions.

Complete question:

Frequency of failure and network recovery time after a failure are measures of the _______ of a network.

A) Performance

B) Reliability

C) Security

D) Feasibility

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Through the introduction of mutations, resource competition, the inheritance of features in offspring, and the progressive change in the population through generations, the four components of evolution—variation, selection, inheritance, and time—were observed in the simulation.

Natural selection is a straightforward method that results in long-term population changes in living things. In fact, it is so straightforward that it can be divided into five fundamental processes, which we'll refer to as VISTA in this instance: Variation, Inheritance, Selection, Time, and Adaptation.

The species Homo, which lived between 1.8 and 2.5 million years ago, is shown in the fourth stage. Stone-tool using Homo habilis, whose brain was roughly the size of a Chimpanzees were the earliest known hominins at this time. The ability to coordinate the little hand motions required for tool use may have increased cerebral capacity.

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Answer:

monosaccharide

Explanation:

Glucose is called a simple sugar or a monosaccharide because it is one of the smallest units which has the characteristics of this class of carbohydrates.

Glucose is the simplest monosaccharide which cannot be broken down further. Thus, option C is correct.

Glucose is the primary component of carbohydrates. Glucose is a monomer made up of carbon, hydrogen and oxygen. Molecular formula of glucose is C6H12O6.

The functional group in glucose is an aldehyde present at the first carbon atom.

Glucose is called monosaccharides because it cannot be hydrolysed further. It is the simplest carbohydrate also referred as simple sugars.

Glucose molecules are chiefly linked together forming a glycosidic bond by removal of water molecule and form a disaccharide.  

Glucose is chiefly produced by plants during the process called photosynthesis.

Glucose is the key component in metabolism. It provides energy to the body cells to carry out physiological activities. Glucose is found in blood.

Excess of glucose in the blood results in a medical condition called diabetes. It can be life threatening if not managed on time.

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Answer:

I have done this litrly today the answer would be C

Explanation:

If it is not then we did difrent tests sorry *,*  &>&

Answer:

the number of limbs they have

Explanation:

Because you can not change the way they breathe because it is natural

You can not change the structure of the cell because it is also natural

You cannot change their sensitivity of their smell because it is also natural

so the answer is Abecause that one is a physical change that can be passed from generation

Skin cells are the ones most likely to delay terminal differentiation and senescence in order to continue reproducing for growth and repair mitosis and tissue repair.

The cells of the skin are a tissue that are constantly dividing to replace cells that are ageing, damaged, or worn out.

Because skin tissues immediately interact with the environment, subjecting them to mechanical, chemical, and other types of damages, mitosis and tissue repair damaged and worn-out cells are common.

Because they must continually divide and replace damaged ones, skin cells cannot afford to enter senescence or terminal differentiation.

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The actions of the extensor carpi radialis brevis are localized to the wrist. The correct answer is D) wrist.

The extensor carpi radialis brevis is a muscle located in the forearm. Its primary function is to extend and abduct the wrist joint.

The muscle originates from the lateral epicondyle of the humerus, which is a bony prominence on the outer side of the elbow. From there, it travels down the forearm and inserts onto Brachioradialis the base of the third metacarpal bone of the hand.

The extensor carpi radialis brevis works in conjunction with other muscles of the forearm to produce movements at the wrist. When it contracts, it extends the wrist joint, which means it moves the hand backward, away from the palm. It also assists in the abduction of the wrist, which is a sideways movement that moves the hand toward the thumb side of the forearm.

The muscle does not have direct actions on the brachii (A) or pronator (B) muscles. While it originates from the lateral epicondyle of the humerus (C), its actions are focused on the wrist joint (D).

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The Complete question is

The actions of the extensor carpi radialis brevis are localized to the __________.

A. brachii

B. pronator

C. humerus

D. wrist

a. DIY DNA extraction methods typically use household ingredients and may lack specialized reagents for optimal yield, purity, and efficiency compared to extraction kits designed with standardized protocols.

b. Differences can be assessed through factors such as protocol complexity, DNA yield, purity assessment, and reproducibility of results between DIY and kit-based extractions.

a. The DIY DNA extraction and an extraction using a kit can differ in several aspects:

Ease of Use: DIY DNA extraction methods often utilize household ingredients and materials, making them simpler and more accessible for amateur scientists or educational purposes. Kits, on the other hand, are specifically designed with pre-measured reagents and detailed protocols, providing a standardized and user-friendly approach.

Efficiency and Yield: DNA extraction kits typically incorporate optimized protocols and specialized reagents that ensure higher efficiency and yield of extracted DNA. DIY methods may not always achieve the same level of efficiency, leading to lower DNA recovery or potential contamination.

Purity and Quality: DNA extraction kits generally include steps and reagents to remove contaminants (such as proteins and RNA) and ensure higher purity of the extracted DNA. DIY methods may lack these purification steps, resulting in impurities or degraded DNA.

b. A few indicators can help determine the differences between DIY DNA extraction and kit-based extractions:

Protocol Complexity: Comparing the step-by-step procedures of DIY methods and kit-based methods can reveal differences in complexity and the presence of additional purification or quality control steps in kits.

DNA Yield: Quantifying the yield of extracted DNA can provide insights into the efficiency of the extraction method. If the yield from a DIY extraction is consistently lower compared to a kit-based extraction, it suggests that the kit-based method may be more efficient.

Purity Assessment: Evaluating the purity of the extracted DNA can be done through techniques such as spectrophotometry or gel electrophoresis. If the DNA extracted using a kit shows less contamination or degradation than the DIY-extracted DNA, it indicates better quality control in the kit-based method.

Reproducibility and Consistency: Performing multiple extractions using both the DIY method and a kit and comparing the results for consistency and reproducibility can also indicate differences in performance and reliability.

It's important to note that DIY DNA extraction methods can be useful for educational purposes or preliminary experiments, but for more precise and standardized results, DNA extraction kits developed by reputable manufacturers are generally recommended.

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answer is simple diffusion

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The evidence and reasoning behind "social media users are more likely to stir up drama using IG" are Pew Research Center report and American Psychological Association.

Evidence:

A study conducted by the Pew Research Center found that 45% of social media users reported having seen someone start an argument or hurt someone else on IG, compared to 38%.

According to a survey by the American Psychological Association, individuals who spent more time on social media reported higher levels of stress and anxiety, which could contribute to a greater likelihood of stirring up drama.

Reasoning:

IG is a highly visual platform that is often used for sharing personal photos and videos, which could lead to more emotionally charged interactions.

Social media allows for a degree of anonymity and distance, which may make users feel more comfortable engaging in dramatic or aggressive behavior.

Social media platforms are designed to be contagious and engaging, which may lead users to spend more time on the platform and become more invested in online interactions, potentially leading to drama.

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The enzymes break down the bolus of food, converting it into semiliquid mass of partly digested food and digestive secretions known as chyme.

The digestion process involves four phases. Ingestion, or gathering food into the digestive secretions, is the initial phase. Although it may appear like a straightforward process, ingestion entails smelling the meal, contemplating the food, and the uncontrollable production of saliva in the mouth to get ready for food entry. The first stages of the mechanical and chemical breakdown of food start in the mouth, where the second stage of digestion takes place. Enzymes are used in the chemical breakdown of food to separate its constituent parts. Amylase, an enzyme that starts breaking down complex carbohydrates, is secreted in the mouth. Mastication, or chewing, in the mouth is the first stage of mechanical breakdown.

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Answer:

Acids and base indicators help us identify whether a substance is acidic or basic . They can be used to detect the nature of soil , samples etc which can be helpful.

Answer:

Muscle is a soft tissue found in most animals. ... Muscle cells contain protein filaments of actin and myosin that slide past one another, producing a contraction that changes both the length and the shape of the cell. Muscles function to produce force and motion.

Hope it helps!!!

Answer:

Muscle is a soft tissue found in most animals. ... Muscle cells contain protein filaments of actin and myosin that slide past one another, producing a contraction that changes both the length and the shape of the cell. Muscles function to produce force and motion.

Answer:

. when a living plant cell loses water by osmosis , there is a contradiction or shrinkage of the components of the cell away from the cell wall . This phenomenon is known as plasmolysis . for example :- red blood cells shrink when placed in a salt solution .

Explanation:

this is an easy answer give me brainliest

Answer:

B.

Explanation:

The cell starts to duplicate itself, chromosomes and all, and ends up making two daughter cells

-Hope this helped.

Answer:

Tidal current

Answer:

Your answer is: Tidal Current

Explanation:

Answer:

El elemento con alta electronegatividad es

Explanation:

El elemento con alta electronegatividad es

De los elementos del grupo principal, el flúor tiene la electronegatividad más alta (EN = 4.0) y el cesio la más baja (EN = 0.79). Esto indica que el flúor tiene una alta tendencia a ganar electrones de otros elementos con electronegatividades más bajas. Podemos usar estos valores para predecir qué sucede cuando ciertos elementos se combinan.

Monkeys raised in total isolation have been observed to A. imprint to the very first moving object they observe.

Monkeys raised in total isolation, without any exposure to other monkeys or their typical social environment, have been observed to form strong attachments to the first moving object they observe, often an inanimate object like a cloth or wire mother surrogate. This phenomenon is known as "imprinting." The monkeys become very attached to this object, treating it as if it were a real mother, and become distressed when it is removed. Option B is also partially true, as monkeys raised in isolation can become fearful or aggressive when brought into close contact with other monkeys their age, due to their lack of socialization and inability to communicate effectively with others.

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Answer:

Explanation:

1.hydrologic cycle

2. dew point

3. True

4. Cloud droplets from

5. Encounter Mountains

Answer:

the water cycle, dew point, true, cloud droplets form, encounter mountains

Explanation: