Which of the following is an example of an object that is accelerating?
A
A basketball sits motionless on the gymnasium floor.
B
A hockey puck slows down and comes to a stop.
с
A soccer ball travels at 3 m/s for one second.
D
A train travels 100 km in a straight path towards the northeast.

We used the stem plot because it is an effective way to display the distribution of yearly rock sole recruitment, as it groups data into stem (left) and leaf (right) digits.

Recruitment is one of the critical measures of ocean ecosystems' health. The recruitment of rock sole in the Bering Sea from 1973 to 2000 is shown below. 1973 - 173 1974 - 234 1975 - 616 1976 - 344 1977 - 515 1978 - 576 1979 - 727 1980 - 1411 1981 - 1431 1982 - 1250 1983 - 2246 1984 - 1793 1985 - 1793 1986 - 2809 1987 - 4700 1988 - 1702 1989 - 1119 1990 - 2407 1991 - 1049 1992 - 505 1993 - 998 1994 - 505 1995 - 304 1996 - 425 1997 - 214 1998 - 385 1999 - 445 2000 - 676

We have to create a stem plot for rock sole in the Bering Sea for the given data, i.e., Recruitment (millions) from 1973 to 2000. We should round the data to the nearest hundred, as instructed above to make the stemplot. The stemplot for the given data is shown below. 0| 3 4 5 5 6 7 7 8 9 1| 0 0 1 1 2 4 7 7 8 9 2| 2 3 4 5

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Answer:

Explanation:

After for half lives have passed, how much of the original sample will be left? ... If one half-life (50 %) of the original carbon-14 is left in a material, ...

A scientific explanation that is tentative and testable is termed as a hypothesis.

A scientific explanation is an explanation of some aspect of the natural world that can be continuously tested and verified by utilizing the scientific method. Scientific explanations use empirical data, and observations to back up their reasoning. They must be proven to be true or false through testing and experimentation. They are testable and measurable. They must also be repeatable so that other scientists can execute the same experiment in order to obtain the same results.

A hypothesis is an assumption or a proposed or possible explanation for some phenomenon that is testable and falsifiable made on grounds of limited evidence as a starting point for further investigation. A hypothesis has to be testable to be scientific. A tentative scientific explanation is called a hypothesis. The most straightforward definition of a hypothesis is an idea or a tentative explanation for an observed phenomenon that can be tested through experimentation or observation. It is an educated guess based on observation, previous knowledge, and research. A hypothesis must be falsifiable, meaning that it can be tested and potentially proven false through experimentation or observation. It may be called a scientific hypothesis, though this is a somewhat ambiguous term. It can be considered as a tentative scientific explanation, which serves as a foundation for empirical testing.

In conclusion, a scientific explanation that is tentative and testable is termed a hypothesis.

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There are two possible values for ∠U in triangle UVW: approximately 23 degrees and approximately 157 degrees.

To find all possible values of ∠U in triangle UVW, we can use the fact that the sum of the angles in a triangle is always 180 degrees.

Given:

u = 55 inches

w = 43 inches

∠W = 134°

To find ∠U, we need to use the Law of Cosines, which states:

\(c^2 = a^2 + b^2 - 2ab * cos(C)\)

In our case, c is the side opposite angle ∠W, a is the side opposite angle ∠U, and b is the remaining side (in this case, u).

Using the Law of Cosines, we can write:

\(w^2 = u^2 + c^2 - 2uc * cos(U)\)

Plugging in the known values:

\(43^2 = 55^2 + c^2 - 2 * 55 * c * cos(U)\)

\(1849 = 3025 + c^2 - 110c * cos(U)\)

Rearranging the equation:

\(c^2 - 110c * cos(U) + 1176 = 0\)

Now, we can solve this quadratic equation for c using the quadratic formula:

c = [ -(-110 * cos(U)) ± √((-110 * cos(U))² - 4 * 1 * 1176) ] / (2 * 1)

Simplifying:

c = [ 110 * cos(U) ± √(12100 * cos²(U) - 4704) ] / 2

Since we know that c must be positive, we can ignore the negative solution.

Now, we can substitute the value of c into the Law of Cosines equation to find ∠U:

\(cos(U) = (u^2 + c^2 - w^2) / (2 * u * c)\)

\(cos(U) = (55^2 + c^2 - 43^2) / (2 * 55 * c)\)

\(cos(U) = (3025 + c^2 - 1849) / (110 * c)\)

\(cos(U) = (c^2 + 1176) / (110 * c)\)

Now, we can substitute the value of c we obtained earlier and solve for cos(U). Once we have cos(U), we can find ∠U using the inverse cosine function (cos⁻¹). The resulting angle will be one of the possible values of ∠U in degrees.

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During ventricular contraction, the status of the atrioventricular valves is The mitral and tricuspid valves both are closed. (D)

The atrioventricular valves, which include the mitral and tricuspid valves, prevent the backflow of blood from the ventricles to the atria during ventricular contraction.

When the ventricles contract, the pressure inside the ventricles increases, causing the mitral and tricuspid valves to close. This prevents the backflow of blood into the atria and ensures that the blood flows out of the ventricles through the aortic and pulmonary valves to the rest of the body.

In summary, during ventricular contraction, the mitral and tricuspid valves both are closed to prevent the backflow of blood into the atria.

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Answer:

Sedimentary rock

Explanation:

All fossils are sedimentary rock. When an organism dies, layers of sediments pile on top of the organism, the sediments harden to become sedimentary rock. And for this reason, fossils cannot be igneous or metamorphic rock.

Answer:

The answer is A

Explanation:

I just took it

The thalamus is a processing center that relays sensory information from the body to the limbic system and cerebral cortex.

The pons is located in the brain stem below the midbrain and above the medulla oblongata. It acts as a relay station between the cerebellum and cerebrum and between the cerebrum and the rest of the body. The limbic system is a series of structures in the brain. These structures line the sides of the thalamus just below the cerebrum.

It is not an independent system but a collection of structures from the cerebrum diencephalon and midbrain. The thalamus is part of the forebrain. It is known as the relay center because it relays motor and sensory signals to the cerebral cortex. Each of these lobes is responsible for processing different types of information. Taken together the cerebral cortex is responsible for the higher processes of the human.

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The hypertensive urgencies is a that term describes a situation in which blood pressure is very elevated but there is no evidence of impending or progressive target organ damage.  

What is blood pressure?

Blood pressure is described as the pressure of circulating blood against the walls of blood vessels. Most of this blood pressure results from the heart pumping blood through the circulatory system.

The Hypertensive emergencies are relatively rare, and are said to be present only when blood pressure elevation confers an immediate treat to the integrity of the cardiovascular system. In cases such as immediate reduction in blood pressure is required, generally by intravenous therapy in an intensive care unit.

Unlike emergencies, urgency is said to be present when severe elevation in blood pressure is not associated with end-organ injury.

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Answer:

Amylose is a straight chain whereas amylopectin is a branched chain polymer.

Explanation:

Amylose differs from amylopectin because amylose is a straight chain while on the other hand, amylopectin is a branched chain polymer. Branched chain polymers refers to main chain with smaller chains as branches of main chain while straight chain polymer has only main chain and no branches of main chain. Starch comprise of about 10-20% amylose and 80-90% amylopectin. Starch is considered as the main storage of energy for green plants.

Answer:

The process where certain organisms excrete nitrogenous waste in the form of ammonia is known as Ammonotelism.

Explanation:

Answer:

The liver is a complex and multifunctional organ that performs several critical functions in the body, including:

Metabolism: The liver processes and stores various nutrients, including carbohydrates, fats, and proteins, and converts them into forms that the body can use.

Detoxification: The liver helps remove harmful substances from the blood, such as drugs, alcohol, and toxic byproducts of metabolism.

Bile production: The liver produces bile, which is essential for the digestion and absorption of fats and fat-soluble vitamins in the small intestine.

Blood glucose regulation: The liver plays a key role in regulating blood sugar levels by releasing glucose into the bloodstream as needed and storing glucose as glycogen when there is an excess.

Blood clotting: The liver produces several important blood-clotting factors that help prevent excessive bleeding.

Vitamin and mineral storage: The liver stores important vitamins and minerals, such as iron, copper, and vitamin A.

Hormone regulation: The liver plays a role in the production of several hormones, including insulin, glucagon, and estrogen.

Overall, the liver is essential for maintaining overall health and proper bodily function.

Explanation:

Reach describes the percentage of the target population exposed to a specific marketing communication, such as an advertisement, at least once.

Reach is a metric used in marketing to measure the extent to which a specific marketing communication has reached the target audience. It represents the percentage of the target population that has been exposed to the communication at least once. Reach is important because it indicates the potential size of the audience that has received the message or advertisement.

To calculate reach, the total number of unique individuals who have been exposed to the marketing communication is divided by the total target population and multiplied by 100 to express it as a percentage. For example, if a TV advertisement reaches 5,000 unique individuals out of a target population of 50,000, the reach would be calculated as (5,000/50,000) * 100 = 10%.

Reach is often used in conjunction with other metrics like frequency (the average number of times the target audience is exposed to the communication) to assess the effectiveness and impact of a marketing campaign. By analyzing reach, marketers can evaluate the potential reach of their message and make informed decisions about their communication strategies to maximize audience exposure and engagement.

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Answer:

Differences between GMO and the Transgenic cell is given below:-

Explanation:

Genetically modified organisms (GMOs):-

Transgenic cell:-

Answer:

It produces ATP, which stores energy that is used by the cell. this is the answer hope it helps you

Answer:

Provides a a protective barrier against mechanical, thermal and physical injury and hazardous substances. Prevents loss of moisture. Reduces harmful effects of UV radiation

Explanation:

mark me brainliest!!

Fungi reproduces through a reproductive cell that's able to produce another individual without fusing with another cell. This cell can be spreaded to spread the individuals too. The name of this cell is spore, therefore the correct answer is A. spores.

During C. Late disease of the human immunodeficiency virus (HIV) infection, significant neurologic findings occur.

HIV infection progresses through the following stages if not treated:

1. Seroconversion illness Some individuals develop a brief illness shortly after contracting HIV. Seroconversion illness or primary or acute HIV infection are terms for this condition.

2. The HIV asymptomatic stage: Most people feel fine and don't have any symptoms after seroconversion. This stage, also known as the asymptomatic stage, can last for years.

3. Symptomatic HIV: The greater your risk of developing infections that your weakened immune system is unable to combat, the longer you live with HIV without treatment: HIV's direct effects, as well as some cancers.

4. Late-stage HIV: If HIV has a chance to do a lot of damage to your immune system, you might get cancer and other serious infections and opportunistic diseases. These conditions are also referred to as "AIDS-defining."

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Answer:

D. The depth of the rock layer in which the fossils are found

Explanation:

Size is irrelevant because a t-rex and ancient hamsters lived together

Color is irrelevant, because with time, almost all fossils are a grey tone look

D.) is the better answer between C.) & D.) because layers of the earth are used in the approximation of the time period in which the dinosaur lived

Answer:

paraffin

Explanation:

DNA replication process is the event during which the molecule duplicates. It occurs in the interphase and involved different enzymes, a DNA molecule, and free nucleotides. Image attached.

DNA replication is the process through which DNI molecule duplicates. This event takes place during the S stage of the interphase. So when the cell divides during mitosis or meiosis, each cell will get a complete set of chromosomes.

DNI replication is semi-conservative because each new molecule carries an original DNI strand and a new one. The fact that the new molecule is composed of an original strand makes it semi-conservative. The old existing strands are used to synthesize the new complementary strand.

The origin of the replication requires helicase enzymes to break hydrogen bonds and separate the two original strands. The topoisomerase enzyme is necessary to release tension. Other proteins are also needed to join the strains and keep them separated.

Once the molecule is opened, there is a region named replication forks. DNA polymerase makes the new nucleotides enter into the fork and pairs them with the corresponding nucleotide of the original strand. Adenine pairs timine, and cytosine pairs guanine.

DNA strands are antiparallel, and replication occurs only in 5'-3' direction. So one of the strands will replicate continuously, while the other strain will be formed by short fragments known as Okazaki fragments.

Primers are needed to make the DNA polymerase work. Primers are small units of RNA and are placed at the beginning of each new fragment.

You will find the labelled Image in the attached files.

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Researchers and practitioners whose professional interest lies in the study of the human lifespan are called developmental psychologists.

Developmental psychology is a field of study that examines how people evolve and develop across the entire lifespan. It investigates a wide range of subject areas, including motor skills, social and moral reasoning, cognitive development, language acquisition, and personality formation. It also examines the influence of genetics and the environment on development, as well as cultural factors that influence development.

The researchers and practitioners in this field are referred to as developmental psychologists. These individuals study the physical, cognitive, and socioemotional development of people at various life stages, from infancy to old age. They use a variety of research methods to investigate how and why individuals change and evolve over time, and their findings have implications for everything from education to healthcare.

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Answer:

Well the type of energy used for movement is Kinetic Energy, (I'm sorry if this doesn't help I'm not great)

Answer:

I think it is b

Explanation:

please tell me if this is wrong

Answer:

not 100 but I'd say D I think I'm like 70%

Megan Morikawa used field and controlled experiments to understand the mechanisms that allow some corals to tolerate a greater amount of heat stress than other corals.

Corals are marine invertebrates within the class Anthozoa of the phylum Cnidaria.

They typically form compact colonies of many identical individual polyps. Coral species include the important reef builders that inhabit tropical oceans and secrete calcium carbonate to form a hard skeleton.

Thus, we can conclude that, Megan Morikawa used field and controlled experiments to understand the mechanisms that allow some corals to tolerate a greater amount of heat stress than other corals.

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The correct option (c)  Endosymbiosis in the ancestors of eukaryotes, and again in photosynthetic eukaryotes led to the evolution of mitochondria and chloroplasts, which retain parts of their original genomes.

Ribosomal ribonucleic acid (rRNA) is a non-coding RNA that is the principal component of ribosomes, which are required by all cells. rRNA is a ribozyme that conducts protein synthesis in ribosomes.

Ribosomal RNA is transcribed from rDNA and then bound to ribosomal proteins to produce small and large ribosomal subunits. The ribosome's physical and mechanical element that causes transfer RNA (tRNA) and messenger RNA (mRNA) to process and translate the latter into proteins is rRNA.

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Answer:

The spinal cord is the part of a spinal reflex arc that receives information from a pain receptor.

The spinal cord is a long, thin, tubular bundle of nervous tissue and support cells that extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column.

The correct answer between all the choices given is the second choice or letter B.

The scientific name for the unusual bacteria that can survive in the acidic environment of the stomach and is associated with peptic ulcers, as well as an increased risk of developing stomach carcinoma, is Helicobacter pylori.

Helicobacter pylori is a Gram-negative bacterium that colonizes the stomach lining of humans. It has a unique ability to survive in the highly acidic environment of the stomach by producing an enzyme called urease, which helps neutralize the acid. This adaptation allows H. pylori to establish a chronic infection in the stomach, leading to various gastrointestinal diseases such as peptic ulcers and gastritis. Prolonged infection with H. pylori is also associated with an increased risk of developing stomach carcinoma, a type of stomach cancer.

The other options listed (Vibrio cholerae, Salmonella typhi, Shigella sonnei, Escherichia coli O157:H7) are bacteria that cause different types of infections, but they are not specifically associated with surviving in the acidic environment of the stomach or the development of peptic ulcers and stomach carcinoma.

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Elementary students must learn these three branches of Science. The branches of science can be of two types which are physics, chemistry and biology or Physical science, Earth science and Life sciences.

Science is the study of physical world, laws of nature and our natural surroundings. It is a very vast subject and for the purpose of learning, it is further subdivided into three main branches which are Physics, chemistry and Biology. Physical sciences is the branch of science that deal with matter and energy.  It allows us to describe the material universe in terms of weight, mass, volume, and other standard and objective measures. Earth sciences is the branch of Science that explain the phenomena of Earth. The atmosphere, and the solar system to which our planet belongs. Life sciences is the branch which describe living organisms. It explains their internal processes, and their relationship to each other and the environment.

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Answer:

i think that the answer might be B