Science Plzzzzzzzzz!!

Science Plzzzzzzzzz!!

Answers

Answer 1

Answer:

D

Explanation:

Answer 2

Answer:

Answer

The answer is option D


Related Questions

PLEASE HELP I AM NOT GOOD AT SCIENCE

Which of these Earth systems interact when a volcanic eruption produces a large amount of smoke?

geosphere and cryosphere
geosphere and atmosphere
hydrosphere and biosphere
hydrosphere and cryosphere

Answers

Answer:

Geosphere and atmoshphere

Explanation:

Secretion of a lower-than-normal amount of a hormone is called __________. hyposecretion hypersecretion atrophy negative feedback

Answers

The secretion of a lower-than-normal amount of a hormone is called hyposecretion.

Hyposecretion is a medical term that describes an abnormal decrease in the production and release of hormones by the endocrine glands, resulting in lower-than-normal hormone levels in the body.

Hyposecretion of hormones might be caused by gland destruction, abnormal gland development, genetic mutations, and autoimmune disorders, among other factors, depending on the specific endocrine gland involved.

Signs and symptoms of hyposecretion of hormones can vary depending on the specific hormones that are being secreted less than usual. Some of the common symptoms may include weight loss or gain, fatigue, decreased libido, sensitivity to cold, and decreased sweating.

Treatment for hyposecretion depends on the specific hormone being secreted, and may involve hormone replacement therapy, medications, and/or surgery.

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The aluminum atom electrons to form an ion. The ion that is formed is

Answers

Answer:loses

Explanation:

I did the assignment

Answer: Loses

Positive

Explanation:

The aluminum atom electrons to form an ion. The ion that is formed is

what is the name of the dialysis that involves using a body cavity as a filter?

Answers

The name of the dialysis that involves using a body cavity as a filter is called peritoneal dialysis. This type of dialysis involves using the peritoneum, which is the lining of the abdominal cavity, as a filter to remove waste products and excess fluid from the body.

During peritoneal dialysis, a sterile solution is introduced into the peritoneal cavity through a catheter that is inserted into the abdomen. The solution remains in the cavity for several hours, during which time it absorbs waste products and excess fluid from the blood. The solution is then drained out and discarded, and the process is repeated several times a day to maintain the desired level of fluid and waste removal. Peritoneal dialysis is often used as an alternative to hemodialysis, which is a more common form of dialysis that involves using an artificial filter to remove waste products from the blood. Peritoneal dialysis can be performed at home, making it a more convenient option for many patients.

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Explain how to distinguish different species by their DNA.

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DNA analysis can be used to distinguish different species by comparing specific regions of their DNA sequences.

To distinguish different species by their DNA, scientists primarily focus on comparing specific regions of the DNA sequences that are highly variable among species. One commonly used region is the mitochondrial DNA (mtDNA), which is inherited maternally and has a higher mutation rate compared to nuclear DNA. Another region is the ribosomal RNA genes (rRNA), which exhibit variations among species.

The process typically involves extracting DNA samples from different organisms, isolating the target region of interest, and sequencing the DNA to determine the nucleotide sequence. The sequences obtained from different species are then compared to identify differences and similarities.

These differences can be used to create DNA profiles or genetic markers specific to each species. Advanced techniques such as DNA barcoding or whole-genome sequencing can provide more comprehensive information and aid in species identification.

By comparing DNA sequences, scientists can uncover genetic variations unique to different species, allowing them to distinguish and classify organisms accurately. This information is valuable in various fields, including taxonomy, conservation biology, forensic science, and evolutionary research.

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A prient is diagnosed with severe Traumatic brain injury and is put on an IV drip containing an Na+ at a concentrafion of 513 mmol/L. The patient's cells have an intracellular Na+ concentration of 154 mmol/L. What will occur?

A. Water will move into the cells
B. Na+ will move into the cells
C. Water will move out of the cells
D. Na+ will move out of the cells

Answers

The given scenario involves a patient with traumatic brain injury who has been diagnosed with an IV drip containing Na+ at a concentration of 513 mmol/L. The patient's cells have an intracellular Na+ concentration of 154 mmol/L. In this situation, water will move out of the cells.

The correct option is C. Water will move out of the cells.Why will water move out of the cells?In this situation, water will move out of the cells because of the process of osmosis. Osmosis is the process by which water moves from an area of low solute concentration to an area of high solute concentration. In this scenario, there is a higher concentration of Na+ ions in the extracellular fluid (513 mmol/L) than the intracellular fluid (154 mmol/L). Due to this, water will move out of the cells into the extracellular fluid where the concentration of Na+ ions is higher.

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How many chlorine atom are on the product ide of the reaction 2Al 6HCl → 2AlCl3 3H2?

2
3
6
9

Answers

Six chlorine atoms make up the chemical product 2Al + 6HCl → 2AlCl3 + 3H2 product ion.

The fundamental unit of matter, the atom, is regarded as such.The smallest unit of matter that may be split without producing electrically charged particles is the atom. It is also the smallest piece of substance with chemical element-like characteristics.

Al CHl stands for aluminum chloride, H2 for hydrogen gas, and HCl for hydrochloric acid in this instance.

Aluminum reacts with hydrochloric acid in the example.

Aluminum chloride and hydrogen gas are the byproducts of the reaction 2Al + 6HCl → 2AlCl3 + 3H2

Calculating the number of chlorine atoms in the reaction's result indicates that there are 2*3=6.

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What are the functions of taproot systems and fibrous root systems?​

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Here is the function of taproot system and fibrous system
What are the functions of taproot systems and fibrous root systems?

Which step of mitosis involves the nucleus splitting and nuclear membranes forming around each new nucleus?

metaphase
prophase
anaphase
telophase

Answers

The answer is Telophase

Answer:

d/ telophase

Explanation:

why cellular respiration is occurring when organisms are utilized to remove pollutants from an area

Answers

Cellular respiration occurs when organisms are utilized to remove pollutants from an area because the process of cellular respiration is how organisms convert energy stored in food molecules into usable energy in the form of ATP.

ATP (adenosine triphosphate) is the energy currency of cells. This process is necessary for life because it allows organisms to obtain the energy, they need to carry out essential life processes such as growth, reproduction, and movement. The removal of pollutants from an area requires energy, and organisms use energy in the form of ATP to carry out this process.

During cellular respiration, glucose and other food molecules are broken down to produce ATP. The energy produced during cellular respiration is used to power metabolic processes such as the removal of pollutants. Cellular respiration occurs in all living organisms, including bacteria, plants, and animals.

The process is a vital part of the global carbon cycle because it releases carbon dioxide into the atmosphere. This carbon dioxide can then be used by plants during photosynthesis to produce food molecules.

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Polyploidy is the condition of having a multiple of the normal set of chromosomes. What does polyploidy result in? a. geographic isolation b. hybridization c. reproductive isolation d. mutation​

Answers

Answer:

c.

Explanation:

c. reproductive isolation

Suppose you wanted to add 6mL of water to a test tube. Which of the following graduated cylinders would you use to measure this volume of water: 10mL cylinder, 50mL cylinder, or 100 mL cylinder? Support your answer.

Answers

The 10mL graduated cylinder is the most suitable choice for measuring 6mL of water due to its smaller capacity and higher precision.

To accurately measure 6mL of water for a test tube, it is best to use a 10mL graduated cylinder. The primary reason for choosing the 10mL cylinder is its smaller volume capacity, which offers higher precision when measuring smaller amounts of liquid like 6mL.

Using a 50mL or 100mL graduated cylinder would make it difficult to obtain an accurate measurement due to their larger capacities and wider gradations. The markings on these cylinders are more spread out, resulting in a higher chance of error when attempting to measure a smaller volume.

In comparison, the 10mL graduated cylinder has closely spaced markings, allowing for a more precise reading when measuring 6mL of water. This level of precision is essential in various scientific experiments, as even slight inaccuracies in measurements can significantly impact the results.

Using the 50mL or 100mL cylinders would be less accurate and potentially compromise the accuracy of the experiment.

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Why do elevations of k in the blood have serious physiological consequences despite the blood-brain barrier and spatial buffering?

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Elevations of k in the blood, also known as hyperkalemia, have serious physiological consequences despite the blood-brain barrier and spatial buffering due to its influence on cell physiology.

Elevated k levels cause depolarization of cell membranes, inhibiting nerve activity and muscle contraction. Neurotransmitter release is hampered and endocrine communication is hampered, which affects hormone secretion of the adrenal cortex.

These changes can result in severe muscular weakness, drowsiness, confusion, abnormal ECG readings, and even heart failure. It can also affect the digestive system leading to nausea, vomiting, and diarrhea. Hyperkalemia can be managed but must be diagnosed right away and treated promptly.

If left untreated, it can be life-threatening. Therefore, even though the blood-brain barrier and spatial buffering do a good job of keeping most of the k levels steady, a rapid or drastic rise in blood k levels can have serious consequences if it is not quickly addressed.

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A housefly has 12 chromosomes, is it a gamete or a somatic cell?

Answers

Answer:

Explanation:

If a housefly cell had 12 chromosomes, then it would be a gamete or a somatic cell (circle one). If a human cell had 23 chromosomes, then it would be a gamete or a somatic cell

Why do secondary sexual characters(jikffbihpz) grow during adolesecnece?

Answers

Answer:

typically develop during adolescence as a result of hormonal changes in the body.

Explanation:

I am not sure what you mean by "jikffbihpz." Could you please provide more context or clarify your question?

Also the term "secondary sexual characters" typically refers to physical characteristics that distinguish males from females in sexually reproducing species, such as antlers on male deer or breasts on human females. These characteristics are not related to the reproductive organs themselves (the primary sexual characteristics) and typically develop during adolescence as a result of hormonal changes in the body.

Please help me and no file this is due today and
will be mark brainliest What type of example is this pedigree

Please help me and no file this is due today and will be mark brainliest What type of example is this

Answers

Autosomal is the best one

Select the correct answer. If pinecones are placed in water, they close up. But they open up in warm and dry conditions. How do pinecones benefit from this characteristic? choices in pic ​

Answers

Answer:

B: it protects the seeds from unfavorable conditions

Explanation:

While the pinecone is developing its seeds, it is vulnerable to wet conditions, which can cause rot.

What is added to pasteurized milk to get it to ferment?

Answers

a teaspoon of kefir grains

If genes are on different chromosomes or far apart on the same chromosome, they will assort ___________________________ during meiosis.

Answers

Genes will assort independently and are referred to as being unlinked during meiosis if they are located on distinct chromosomes or distantly from one another on the same chromosome.

What transpires when two genes on the same chromosome are located far apart?

Due to cross-over, genes that are on the same chromosome but located far apart assort separately (homologous recombination). This is a mechanism where homologous chromosomes randomly exchange matched pieces at the start of meiosis.

What does meiotic independent assortment entail?

During meiosis, a process known as independent assortment causes the chromosomes to randomly move to different poles. After meiosis, a gamete will have 23 chromosomes, but independent assortment means that each gamete will have 1 of numerous different combinations.

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Which of the following correctly describes the process of Translation?
I. tRNA anticodon bonds to mRNA codon
II. Ribosome bonds to mRNA strand
III. Ribosome reaches a STOP codon and detaches from the mRNA
IV. Each tRNA adds an Amino Acid to the chain as the Ribosome moves along the mRNA
V. Complimentary mRNA strand is made from DNA template
A. V, II, I, IV, III
B. II, I, IV, III
C. V, I, IV, III
D. II, IV, III, I, V

Answers

The correct option is B- II,I,IV,III represents the process of translation and V represents the process of transcription.

II. Ribosome bonds to mRNA strand

I. tRNA anticodon bonds to mRNA codon

IV. Each tRNA adds an Amino Acid to the chain as the Ribosome moves along the mRNA

III. Ribosome reaches a STOP codon and detaches from the mRNA

What is transcription and translation?

Transcription is the name given to the formation of RNA from a strand of DNA, with the “copy” of the information contained in the DNA to the RNA. This process is extremely important, as the information transcribed to the RNA molecule is translated into the formation of proteins.

Protein synthesis (translation) takes place in the cytoplasm and consists of reading the mRNA. The process involves three steps known as: initiation, elongation and termination. Synthesis begins (initiation step) when the smaller subunit of a ribosome and a specific tRNA associate with an mRNA.

With this information, we can conclude that Transcription is the  formation of RNA from a strand of DNA, with the “copying” of the information contained in the DNA to the RNA.

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a) why do animals need plant biomass?
b) where does all the energy in a garden food chain originally come from

Answers

Answer:

a) Growing plants for biomass fuel may help to reduce greenhouse gases, since plants use carbon dioxide and produce oxygen as they grow.

b) All food chains start with energy from the sun.

Fill in each blank with the best word or phrase selected from the list below. Not all words or phrases will be used; each word or phrase can be used only once. charged pause site lytic mismatch promoter RBS clear origin - strand tRNA phosphorylation + strand lysogenic ppGpp uncharged sigma factor Rho factor methylation pause site cloudy Before transcription can begin, RNA polymerase must find the location and direction of a gene on the chromosome based on its sequence. RNA polymerase ends transcription at a located at the end of a gene. It is common for amino acid biosynthetic genes to be transcriptionally activated in the presence of tRNAs as a result of the Stringent response, which requires to bind RNA polymerase. An sRNA can inhibit mRNA translation by the ribosome through complementary base-pairing to the sequence in its target mRNA. During DNA replication, the sequence of the daughter strand being synthesized is determined by complementary base-pairing with the parent template strand, however DNA polymerase can incorporate a base-pair that can result in a point mutation if it is not repaired. a Bacteria can repair these mistakes and distinguish the original parent strand of DNA from the new daughter strand of DNA through of certain nucleotides. In order to replicate their genomes, all SSRNA viruses must package an RNA-dependent RNA polymerase within their capsid.

Answers

The answer to the fill-in-the-blanks with words each word or phrase can be used only once. charged, pause, site, lytic mismatch, promoter RBS, clear origin - strand tRNA phosphorylation, + strand lysogenic, ppGpp uncharged, sigma factor. Rho factor, methylation, pause site, cloudy,  is:

Before transcription can begin, RNA polymerase must find the location and direction of a gene on the chromosome based on its sequence. RNA polymerase ends transcription at a clear origin located at the end of a gene. It is common for amino acid biosynthetic genes to be transcriptionally activated in the presence of tRNAs as a result of the Stringent response, which requires charged sigma factor to bind RNA polymerase. An sRNA can inhibit mRNA translation by the ribosome through complementary base-pairing to the sequence in its target mRNA. During DNA replication, the sequence of the daughter strand being synthesized is determined by complementary base-pairing with the parent template strand, however, DNA polymerase can incorporate a base-pair that can result in a point mutation if it is not repaired. A bacteria can repair these mistakes and distinguish the original parent strand of DNA from the new daughter strand of DNA through methylation of certain nucleotides. In order to replicate their genomes, all SSRNA viruses must package an RNA-dependent RNA polymerase within their capsid.

RNA (Ribonucleic acid) is a single-stranded nucleic acid consisting of nucleotide monomers that performs essential roles in coding, decoding, regulation, and expression of genes.

DNA (Deoxyribonucleic acid) is a double-stranded nucleic acid consisting of nucleotide monomers that encodes the genetic instructions used in the development and function of all known living organisms.

Bacteria are prokaryotic microorganisms that consist of a single cell without a nucleus.

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for a person deprived of water, the satisfaction that follows drinking a thirst-quenching beverage best illustrates

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For a person deprived of water, the satisfaction that follows drinking a thirst-quenching beverage best illustrates the concept of homeostasis.

Homeostasis is the maintenance of a stable internal environment in an organism, and the desire to drink water is a response to an imbalance or disturbance in homeostasis caused by dehydration. The deprivation of water is often associated with thirst. Dehydration causes the body to crave water, and drinking a thirst-quenching beverage brings relief and satisfaction to the body. This response is due to the body's natural tendency to maintain a balance of water and electrolytes, which is essential for proper bodily functions such as regulating body temperature, blood pressure, and metabolism.

Drinking a beverage to satisfy thirst also activates the reward and pleasure centers in the brain, leading to a subjective feeling of satisfaction and relief. This response is mediated by various physiological and psychological factors, including the release of neurotransmitters and the perception of quenching one's thirst.

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Write the importance of ozone layer and mention the effects caused due to depletion of ozone layer. class 10 ​

Answers

Answer:

Explanation:

Ozone layer is like a blanket for us as it has oxygen and reason for deplition is pollution

Hi i am new and from grade 7

Answer: The ozone layer protects the Earth from harmful Ultra Violet B Light, without it, the Earth would be in crisis.

Explanation:

-When the Earth is exposed to UVB radiation, people can develop skin cancer, eye cataracts, and so much more.

-Crops would start dying from too much sun exposure which would cause our food chain to crumble.

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If you examine two organisms that you hypothesize share common ancestors,
what evidence you might expect to find?

Answers

Answer:

Similarities in the DNA and genetic coding as well as possible physical features or behaviors

If the order of base pairs in a DNA molecule is changed, what might occur?

Answers

Answer:

When you change the order of the base pairs in an organism, that is called a mutation. There are three types of mutations: a deletion, an addition, and a substitution. In a deletion, one of the three bases in a codon is pulled out, or deleted.

Explanation:

A union could be guilty of unfair labour practices: during the union organizing campaign C during contract negotiations during the term of the collective agreement G Call of the options

Answers

A union could be guilty of unfair labor practices is; during the union organizing campaign, during contract negotiations, and during the term of the collective agreement. Option D is correct.

During the union organizing campaign; Unions can engage in unfair labor practices during the organizing campaign by using coercion, intimidation, or other improper tactics to influence employees' decisions regarding union representation.

During contract negotiations; Unions may engage in unfair labor practices during contract negotiations by engaging in bad faith bargaining, refusing to negotiate in good faith, or using coercive tactics to gain advantages in bargaining.

During the term of the collective agreement; Unions can commit unfair labor practices during the term of the collective agreement by violating the terms of the agreement, engaging in discriminatory practices, or interfering with the rights of employees protected under labor laws.

Hence, D. is the correct option.

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--The given question is incomplete, the complete question is

"A union could be guilty of unfair labor practices: A) during the union organizing campaign B) during contract negotiations C) during the term of the collective agreement D) all of the options."--

How and why do plants need to be able to respond to their environment?​

Answers

Like all organisms, plants detect and respond to stimuli in their environment. Unlike animals, plants can't run, fly, or swim toward food or away from danger. They are usually rooted to the soil. Instead, a plant's primary means of response is to change how it is growing. hope it helps have a great day and I hope you pass:)

A Venn diagram below to show the characteristics of two kingdoms of organisms.

A Venn diagram below to show the characteristics of two kingdoms of organisms.

Answers

Answer: They both have cell walls.

Explanation: Plants have a thick cell wall made of cellulose, and fungi have a cell wall composed of chitin.

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Why is it important to know the difference between science and pseudoscience?

A.) to look intelligent
B.) to make informed decisions
C.) to score well on tests
D.) to tell believable stories

Answers

Answer:

b!!!

Explanation:

Question: Why is it important to know the difference between science and pseudoscience?

Answer: (B)

Explanation: The answer is (B) because, pseudo-science seeks confirmations and science seeks falsifications.
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the strategic alternatives of a company are influenced by a number of factors. the factors that a marketing manager must consider are three types: external, financial, and internal. What is 25 x (6 + 10)? who is commissioned by the church at antioch to take the gospel to the gentiles? the piston of a hydraulic automobile lift is 0.30 m in diameter. what gauge pressure, in pascals, is required to lift a car with a mass of 1200 kg? Learning outcome: You will be able to make comparisons between people, places, animals, and things by using a variety of comparative phrases. You will also be able to describe an extreme quality of a person or thing by using superlatives.Key words and concepts: Comparatives; SuperlativesComplete the sentences by choosing the grammatically correct word from the list and writing it in the blank. One word will not be used.altsimo | como | la | mejor | que | tan | tantas1. Mi hermano es_________atltico como mi padre.2. Mi madre es menos extrovertida________ mi abuela.3. Tus perros no son tan inteligentes_________ los mos.4. Paco tiene_______ mascotas como yo.5. Sara es_______ ms trabajadora de su familia.6. T eres mi______ amiga! Write a program that reads each line in a file, reverses its characters, and writes the resulting line to another file. Suppose the user specifies input.txt and output.txt when prompted for the file names, and input.txt contains the lines :Mary had a little lamb Its fleece was white as snow And everywhere that Mary went the lamb was sure to go.After the program is finished, output.txt should contain bmal elttil a dah yraM wons sa etihw saw eceelf stI tnew yraM taht erehwyreve dnA .og ot erus saw bmal ehT And sure enough, the following week there we were in front of this astonished stockbroker, and I was sitting there red-faced and quiet, and my mother, the real Mrs. Tan, was shouting at his boss in her impeccable broken English. What can be inferred from the excerpt? Group of answer choices Nonstandard forms of English are used more by older adults than by younger adults. Nonstandard forms of English make communication difficult between cultures. Nonstandard forms of English limit a speakers ability to stand up for herself. Nonstandard forms of English can be as effective as the standard form of English. .The interview guidelines for the European Social Survey (ESS) state that the interview should last around an hour at most. We first consider data for the 2258 respondents in Bulgaria. The average interview length for them was 59.31 minutes. We treat these interviews as a sample from the hypothetical population of possible ESS interviews that could have been done in Bulgaria. We carry out a one-sample t-test of the null hypothesis that the average length of interview in this population is 60 minutes. The two-sided p-value of this test is p=0.0012.We calculate a standard symmetric confidence interval for this population mean, at 95% level of confidence. Which of the following is that interval?For each of the three answers that you did not choose in Question 3(a), explain how you decided that it was not correct.A. (59.31; 0.0012)B. (58.90; 59.72)C. (58.20; 60.42)D. (58.07; 59.21) Why did some people not want African Americans to have the right to vote? a taxi service charges $2.40 for the first mile of a ride and $1.40 for every additional mile. linda planned to give a $2 tip for the taxi driver. how many miles can she ride for $10? HELP PLEASE!!!!You select a marble without looking and then put it back. If you do this 45 times, what is the best prediction possible for the number of times you will pick a purple marble?NO WRONG ANSWERS PLEASEE PLS HELPP Help Solve for x X = Larry bought 4 pounds of jelly beans for $6. What is the unit rate? Please help me! Will mark brainliest What is the conflict in the passage Listen to the words associated with flights and traveling. first, repeat each word or expression that you hear. next, write the word or expression that does not belong in the group in the space provided. What versions of Debian is Kali 1.0, 2.0 and rolling based on? The energy used in photosynthesis come from what?? What is the source of governmental power in the Declaration of Independence? Q1: The highly successful online auction site eBay has attracted millions of buyers and sellers. In these faceless exchanges, trust on both sides of a transaction could be of concern. One action eBay has taken to promote trust in exchanges is to allow feedback. Why is this so important and effective?Q2: In 1962, U.S. President John F. Kennedy took specific actions to avoid the pitfalls of groupthink in deciding how to proceed during the Cuban Missile Crisis. Conduct your own research and write a few paragraphs evaluating the steps taken and their effectiveness.