Answer:
The correct answer is d*ke
Explanation:
I tried the other answer and got it wrong, this was the right one on the test.
True or false cooler material in the asthenosphere faces towards lithosphere
Answer:
the answer is yes hope this helped
An agricultural field trial compares the yield of two varieties of corn. The researchers divide in half each of 14 fields of land in different locations and plant each corn variety in one half of each plot. After harvest, the yields are compared in bushels per acre at each location. The 14 differences (Variety A - Variety B) give bar{x} = 2.6 and s = 4.45. Does this sample provide evidence that Variety A had a higher yield than Variety B?
a. State the null and alternative hypotheses: (use "mu" for the symbol
, e.g. mu > 1 for the mean is greater than 1)
H_0: _____
H_a: _____
b. Find the test statistic, t = _____
c.(Yes|No): Does this sample provide evidence that Variety A had a higher yield than Variety B? (Use a 5% level of significance) _____
The p-value for this test is 0.0027, which is less than the 5% significance level. This means that there is less than a 0.5% chance of obtaining a sample mean of 2.6 if the true difference in yields between the two varieties is 0. Therefore, we can reject the null hypothesis and conclude that there is evidence that Variety A had a higher yield than Variety B.
a. State the null and alternative hypotheses:
\(H_0: mu_a = mu_b\)
\(H_a: mu_a > mu_b\)
This is a one-tailed test because we are only interested in whether Variety A has a higher yield than Variety B. We are not interested in whether Variety B has a higher yield than Variety A.
b. Find the test statistic, t =
\(\begin{equation}t = \frac{\bar{x} - \mu_0}{s / \sqrt{n}}\)
\(\[t = \frac{2.6 - 0}{4.45 / \sqrt{14}}\]\)
= 3.15
c. Yes. The p-value for this test is 0.0027. This is less than the 5% significance level, so we reject the null hypothesis and conclude that there is evidence that Variety A had a higher yield than Variety B.
Here is a table summarizing the results of the test:
Statistic Value p-value
t 3.15 0.0027
The results of this test suggest that Variety A had a higher yield than Variety B. However, it is important to note that this was a small sample study, and further research is needed to confirm these findings.
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What are two examples of a postzygotic barrier?
Answer:
Answer:
Explanation:
Explanation:
Answer:
hybrid inviability,hybrid sterility
Explanation:
which of the following mechanisms is not used to propel lymph through lymphatic vessels? which of the following mechanisms is not used to propel lymph through lymphatic vessels? a flowchart of a circuit and a capillary bed with lymphatic capillaries spreading between the network of blood capillaries. vessels of the arterial system come from the heart to the blood capillaries. vessels of the venous system come from the blood capillaries to the heart. vessels of the lymphatic system come from the blood capillaries to the venous system near the heart. in the capillary bed, arrows run from tissue fluid to the lymphatic capillaries. pulmonary motion small, heart-like pumps the milking action of muscles gravity
Small, heart-like pumps the milking action of muscles gravity is not used to propel lymph through lymphatic vessels.
Mechanism In order to move lymph through the veins, pressure gradients are created by the contraction of smooth muscle in the vessel walls, respiratory movement, and skeletal muscular action.In most parts of the body, lymph moves against a hydrostatic pressure gradient as a result of a combination of extrinsic (passive) and intrinsic (active) forces. The performance of the lymph pump system affects the interstitial fluid balance as well as other facets of overall homeostasis.Breathing. There is no smooth muscle layer in the capillary's thin, squamous epithelium-based wall. In order to aid lymph travel back to the veins, the lymphatic trunks' walls are lined with smooth muscle. Lymph is squeezed back toward the heart by skeletal muscle contractions that surround lymphatic veins.For more information on lymph kindly visit to
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The following information applies to Labs Plus, which supplies microscopes to laboratories throughout the country. Labs Plus purchases the microscopes from a manufacturer which has a reputation for very high quality in its manufacturing operation. Annual demand (weekly demand= 1/52 of annual demand) Orders per year Lead time in days Cost of placing an order 15,600 units 20 15 days $100 What is the economic order quantity assuming each order is made at the economic-order- quantity amount? A) 15 units B) 20 units C) 780 units D) 1,040 units
The economic order quantity (EOQ) for Labs Plus is approximately 559 units, assuming orders are made at the EOQ amount, option E is correct.
To calculate the economic order quantity (EOQ), we need the following information:
- Annual demand: 15,600 units
- Orders per year: 20
- Lead time in days: 15 days
- Cost of placing an order: $100
The formula to calculate EOQ is:
EOQ = √((2 * Annual Demand * Cost per Order) / Holding Cost per Unit)
However, we need to calculate the holding cost per unit first. For that, we need to know the carrying (holding) cost rate, which is usually given as a percentage of the unit cost. Since the carrying cost rate is not provided in the given information, let's assume it to be 10% of the unit cost.
Calculate the holding cost per unit:
Holding Cost per Unit = Carrying Cost Rate * Unit Cost
Since the unit cost is not given, we cannot calculate the exact holding cost per unit. However, we can assume a hypothetical unit cost for calculation purposes. Let's assume it to be $100.
Holding Cost per Unit = 0.10 * $100 = $10
Calculate the economic order quantity (EOQ):
EOQ = √((2 * Annual Demand * Cost per Order) / Holding Cost per Unit)
EOQ = √((2 * 15,600 * $100) / $10)
EOQ = √(3,120,000 / $10)
EOQ = √312,000
EOQ = 558.8 or 559
Thus, option E is correct.
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The correct question is:
The following information applies to Labs Plus, which supplies microscopes to laboratories throughout the country. Labs Plus purchases the microscopes from a manufacturer which has a reputation for very high quality in its manufacturing operation. Annual demand (weekly demand= 1/52 of annual demand) Orders per year Lead time in days Cost of placing an order 15,600 units 20 15 days $100 What is the economic order quantity assuming each order is made at the economic-order- quantity amount?
A) 15 units
B) 20 units
C) 780 units
D) 1,040 units
E) 559 units
Which cut on the evolutionary tree would create a clade?
A, B, C, D
(See photo for example)
Answer:
A
Explanation:
Whales can eat either plankton or small fish. Which change would decrease the population of small fish the most? A. more whales and less plankton B. less whales and more plankton C. more whales and more plankton D. less whales and less plankton
The increase in the population of whales and a decrease in the population of plankton would lead to a decrease in the population of small fish since whales would need to find an alternative source of food to replace the missing plankton.
Small creatures known as plankton float in water and can either resemble plants (phytoplankton) or animals (zooplankton). They provide as significant sources of food for a variety of aquatic creatures, including whales. Some types of plankton also contribute significantly to the global carbon cycle and produce oxygen.
Therefore, the correct option is A.
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Lower air density means
oxygen molecules in each breath
Answer:
As air pressure decreases oxygen continues to account for about 21% of the gasses in the air as it does at sea level. But, there is less oxygen because there is less of all of the air's gasses
1. What are biogenesis and spontaneous generation? Which one was disproved by Redi and Pasteur?
Answer/Explanation:
Redi and Pasteur disproved Spontaneous Generation
Biogenesis is based on the theory that life can only come from life, and it refers to any process by which a lifeform can give rise to other lifeforms. For instance, a chicken laying eggs, which hatch and become baby chicken .
The theory of spontaneous generation states that life arose from nonliving matter. ... Louis Pasteur is credited with conclusively disproving the theory of spontaneous generation with his famous swan-neck flask experiment. He subsequently proposed that “life only comes from life.”
Life comes from other life. The supposed development of living organisms from nonliving matter such as maggots from rotting meat was disproved by Redi's experiment. ... Pasteur proves that all organisms including microorganisms come from other living organisms.
Name a product of cellular respiration that is used as a reactant in photosynthesis? (SC.912.L.18.9)
02
O ATP
Glucose
CO 2
Carbon dioxide is a product of cellular respiration that is used as a reactant in photosynthesis (option 4).
What are the processes of photosynthesis and cellular respiration?Photosynthesis is a metabolic pathway that plants and algae use to generate simple carbs such as glucose by using reactant carbon dioxide, water, and also sunlight.
Conversely, cellular respiration is a series of chemical reactions used by all aerobic cells in order to generate ATP, which is considered the energy coin of the cells. In cellular respiration, the reactants include foods such as glucose molecules and oxygen, while the products of this pathway include carbon dioxide and also the generation of ATP.
Therefore, with this data, we can see that photosynthesis and cellular respiration are different in terms of reactants and products and both metabolic pathways may be considered complementary in terms of the generation and use of substrates.
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what can a consumer use to keep lettuce firm
Proper air circulation and a small amount of moisture will keep your lettuce crisp and fresh. The easiest (and most effective) way to do this is to line a sturdy glass or plastic container with a few paper towels, then scatter your greens on top. Top with a matching lid and refrigerate.
Jacob is unsure about how to focus a slide under the microscope. What would be Jacob’s best course of action?
Answer: Study how to use a microscope
Explanation:
Layers of closely packed cells that are found covering or lining body surfaces, as in the ____________ of the skin, are called ____________ tissue.
Layers of closely packed cells that are found covering or lining body surfaces, as in the __Epidermis_ of the skin, are called _Epithelium__ tissue.
What is the epithelium?
Epitheliums are the cell layers that cover the body, different organs, bones, and other structures.
Epitheliums have their own shape, characteristics, and internal composition that make them unique and allow them to accomplish their functions. Their morphology correlates with their function.
There are two main types of epitheliums according to the number of cell layers,
• Simple epithelium
• Stratified epithelium
⇒ Simple epitheliums intervene in secretion or absorption processes.
Cells' height frequently reflects their secretor or absorptive activity degree.
Epitheliums that transport substances are characterized by presenting cubic or columnar cells.
⇒ The stratified epithelium is composed of several layers. The shape and size of the cells vary from one layer to the other.
Its general function is to provide a protective barrier in areas that are more exposed, and a certain degree of waterproofing.
Stratification correlates with transepithelial impermeability and friction exposure.
It protects against humidity loss and mechanical erosion.
The skin epidermis is a common example of stratified epithelium. It is composed of five cell layers, which have different functions:
Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum.
Epitheliums also share many characteristics.
• They form cohesive layers, with cells very close to each other
• Scarse extracellular matrix
• Many union complexes join the cells
Cohesion between epithelial cells is possible by special adhesions that serve as anchoring of each cell's cytoskeleton and the extracellular matrix.
1) Epidermis
2) Epithelium
Layers of closely packed cells that are found covering or lining body surfaces, as in the __Epidermis_ of the skin, are called _Epithelium__ tissue.
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15 POINTS AND BRAINLIEST (IF CORRECT)!!
Which statements describe hormones in plants? Check all that apply.
Cutting stems can stimulate hormones to start lateral leaf growth.
Some tropisms are controlled by hormones.
Cells grow faster in areas where auxin is concentrated.
Hormones help buds form and grow in the winter.
Auxin is the only hormone involved in plant development.
Answer:Cutting stems can stimulate hormones to start lateral leaf growth.
Some tropisms are controlled by hormones.
Cells grow faster in areas where auxin is concentrated.
Hormones help buds form and grow in the winter.
Auxin is the only hormone involv
Explanation: took test on missed this question, had A,B,C,D.. answer all of the above. So its all of them.
draw an anatomical model of the skin
The Anatomical model of the skin is given below
What is the Anatomical model of the skin?The skin is the largest organ of the human body and serves a variety of important functions. It is composed of multiple layers, including the epidermis, dermis, and hypodermis.
The epidermis is the outermost layer of the skin and is composed of multiple layers of flat, keratinized cells called squamous cells.
The dermis is the layer of skin beneath the epidermis. It is composed of connective tissue and is rich in blood vessels, lymphatic vessels, and nerve endings.
The hypodermis, also known as the subcutaneous tissue, is the layer of fat and connective tissue beneath the dermis. It serves as an energy reserve and helps to insulate and protect the body.
In addition to these layers, the skin also contains a network of blood vessels and nerve fibers that help to regulate body temperature, provide sensory information, and help to protect the body from infections.
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How can negotiate be ineffective when dealing with interpersonal conflict
Negotiation can be ineffective when dealing with interpersonal conflict if there is a lack of willingness to compromise, a lack of communication or trust, or if the parties have different goals or values.
Negotiation can be ineffective when dealing with interpersonal conflict for a few reasons.
First, if one or both parties are unwilling to compromise or find a mutually beneficial solution, the negotiation process will be ineffective. This can occur when one party feels they are in the right and is unwilling to budge on their position, or when one party is simply unwilling to cooperate.
Second, if there is a lack of communication or trust between the parties, the negotiation process may be ineffective. Effective negotiation requires open and honest communication, and if either party is withholding information or is untrustworthy, it can be difficult to reach a resolution.
Third, if the parties have different goals or values, it can be difficult to find a solution that satisfies both parties. For example, if one party values maintaining a relationship while the other values winning at all costs, it can be difficult to find a solution that satisfies both parties.
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Which german vessel used echo sounding to identify the underwater mountain range running through the center of the south atlantic ocean?
The German vessel named "Meteor" used echo sounding to identify the underwater mountain range running through the center of the South Atlantic Ocean.
The German research vessel Meteor played a significant role in the exploration and mapping of the South Atlantic Ocean. In 1925, the vessel embarked on a scientific expedition led by the German scientist Alfred Wegener. During the expedition, echo sounding technology was used to measure the depth of the ocean floor and gather data on the topography of the seabed.
Using echo sounding, which involves sending sound waves into the water and measuring the time it takes for the sound to bounce back, the scientists aboard the Meteor were able to identify the presence of an underwater mountain range in the South Atlantic Ocean. This mountain range, known as the Mid-Atlantic Ridge, runs through the center of the ocean from north to south.
The discovery of the Mid-Atlantic Ridge through echo sounding provided crucial evidence to support Wegener's theory of continental drift and the concept of plate tectonics. The findings from the Meteor expedition significantly contributed to our understanding of the Earth's geology and the dynamic processes occurring beneath the oceans.
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How do plants and animals get nitrogen if not from the atmosphere?
Answer:
All plants and animals need nitrogen to make amino acids, proteins and DNA, but the nitrogen in the atmosphere is not in a form that they can use. ... Animals get the nitrogen they need by eating plants or other animals that contain nitrogen.
Explanation:
In most woody plants, the first periderm usually arises in the: a. cortex. b. epidermis. c. primary phloem. d. primary xylem. e. pith.
In most woody plants, the first periderm usually arises in the cortex. The corrrect answer is (A).
The periderm, also known as cork cambium, arises in the secondary tissue of plants and replaces the epidermis. It is responsible for the production of cork, phelloderm, and phellem.The bark of woody plants is composed of several layers, including the periderm, cork cambium, phelloderm, and phellem. The periderm is the outermost layer of bark, which arises from the cortex. The cork cambium, or phellogen, is the meristematic tissue that gives rise to the periderm.In woody plants, the periderm replaces the epidermis as the outermost layer of the stem, root, and branches. It provides protection against mechanical damage, water loss, and pathogens.
The periderm is composed of three layers: phellem, phelloderm, and cork cambium.The phellem, or cork, is the outermost layer of the periderm. It is composed of dead cells that are filled with suberin, a waxy substance that repels water. The phellem provides protection against water loss, insects, and fungi.The phelloderm is the innermost layer of the periderm. It is composed of living cells that function in storage and photosynthesis. The cork cambium produces new phellem cells to the outside and phelloderm cells to the inside.
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define biota in diffrent words
Answer:
bioata:
Explanation:
a specim of life in a specific area, rime period, or habitat
What can cause a population to be in a random distribution?
Resources can be dispersed equally or erratically through random distribution. Like many other plants whose seeds are dispersed by wind, dandelion growth follows a random pattern.
An unpredictably distributed population is what?As is the case with plants that contain wind-dispersed seeds, individuals in a random distribution are scattered at unpredictably large distances from one another. As with elephants at a watering well, individuals are gathered together in a clumped distribution.
What does a random sample's distribution look like?An accurate probability distribution of a statistic is known as a sampling distribution, and it is created by repeatedly sampling a certain population. It depicts a spectrum of potential results for a statistic, such as the mean or mode of a variable, for a population.
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Please help m it’s urgent
Explanation:
Nucleus - both
cell wall - plant cell
cell membrane - both
golgi apparatus - both
mitochondria - both
Centriole - animal cell
chloroplast - plant cell
cytoplasm - both
lysosome - both
ER - both
describe the characteristics of high volume waves
Answer:
Volume- The perception of loudness from the intensity of a sound wave. The higher the intensity of a sound, the louder it is perceived in our ears, and the higher volume it has.
Explanation:
3. When using positive pressure ventilators, what triggers the elastic recoil of the lung, and what does this action cause
When using positive pressure ventilators, the elastic recoil of the lung is triggered by the pressure applied to the airway during inhalation.
This pressure causes the lung to expand and fill with air, and as the pressure is released during exhalation, the lung recoils back to its original size and shape. This action helps to push air out of the lung and maintain proper ventilation.
When using positive pressure ventilators, the elastic recoil of the lung is triggered by the decrease in air pressure within the ventilator. This action causes exhalation as the lungs return to their resting volume, expelling air and carbon dioxide out of the body.
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How is mitochondrial DNA (mtDNA) typing used in forensic science?
Answer:
Mitochondrial DNA typing is a method used by forensics scientists to match DNA from an unknown sample to a sample collected at a crime scene.
Explanation:
It is ideally used in special cases where the DNA is degraded or the source of the sample doesn't contain enough genomic nuclear DNA for analysis.
Answer:
mtDNA
Explanation:
1. Given the double-stranded stretch of DNA below, determine the base sequence of
messenger RNA strand produced using this gene as the template. *Hint: Only one of the
two strands is used as the template.
5'ATGCCATTGCTTAAGCGGGCATTATATCCAAGA 3'
3' TACGGTAACG AATTCGCCCGTAAT ATĄGGTACT 5
AUGCCAUUGCUU AAG-CGG-GCAULAUAU CCA UGA
How many amino acids will this protein contain?
Answer:
AUG-CCA-UUG-CUU-AAG-CGG-GCA-ULA-UAU-CCA-UGA
so 11
Explanation:
because every 3 bases code for 1 amino acid and to make it easier to count split into 3 so u can count easily.
hope this helps :)
transfer rna(trna)is involved in which central dogma process
Transfer rna(trna) are involved in transcription and translation central dogma process.
The two processes which are involved in the central dogma are transcription as well as translation. In the eukaryotic cells, transcription will takes place in the nucleus. It uses DNA as a template to make an RNA molecule which is known as messenger RNA (mRNA). The RNA molecule then leaves the nucleus and it goes to a ribosome into the cytoplasm, where translation occurs.
The central dogma of the molecular biology states that DNA contains instructions for making a protein, which are copied by RNA. RNA will uses the instructions to make a protein.
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The ___ revolution is responsible for much of the pollution the earth experiences today
The Industrial Revolution is responsible for much of the pollution the earth experiences today.
What is Industrial revolution?The Industrial Revolution was a period of rapid industrialization that took place in the 18th and 19th centuries, and it was characterized by the development of new technologies and methods of production that greatly increased the efficiency and output of industry. However, this period of rapid industrialization also led to the increased production of pollutants such as greenhouse gases, toxic chemicals, and solid waste, which have had negative impacts on the environment and human health.
The pollution caused by the Industrial Revolution continues to be a major problem today, and addressing this pollution is an important challenge for governments, businesses, and individuals around the world.
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What are the 5 gram-positive bacteria?
Enterococci (Group D), Strep viridans, Strep pneumonia, Pyogenes (Group A), Strep. agalactiae (Group B), and Staphylococcus, a gram-positive cocci that is catalase-positive, produces clusters.
Streptococcus, a gram-positive cocci that is catalase-negative, forms chains. coagulase-positive staphylococci include S. aureus and S. epidermidis, whereas S. Christian Gram created a test in 1884 that could determine whether a bacterium had peptidoglycan, a thick membrane that resembled a meshwork. Thick peptidoglycan is seen in gram-positive bacteria. A thin peptidoglycan covering indicates the presence of a gram-negative bacterium. The Gram-positive cell wall stimulates both the body's innate and adaptive immune responses. Innate immunity is triggered by pathogen-associated molecular patterns (PAMPs), which are molecules that are particular to microorganisms but not connected to human cells.
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match the following descriptions to the appropriate lichen that it is describing. group of answer choices flat, adheres tightly to substrate surface [ choose ] leaf-like, curled edges away from the substrate [ choose ] shrub-like growth
We looked into the effect of surface chemistry on the orientation of Escherichia coli cells captured from flow onto surfaces that were cationic, hydrophobic, or anionic.
Our research was motivated by observations of cell orientation at biofilm-substrate interfaces and reports that cell orientation and adhesion play important roles in biofilm evolution and function. We identified the initial directions of non-motile cells ejected from mild shear in relation to the surface and flow directions.
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