Which indicator of a chemical change is shown?

A.) formation of a gas
B.) formation of a precipitate
C.) change in color
D.) change in energy

Answer:

The light part of the Moon appeared to get smaller over time because of the change in the relative position of the Moon, the Sun, and the Earth. This is known as the lunar phase. The changing appearance of the Moon from the Earth's perspective is caused by the Moon's orbit around the Earth and the position of the Moon and Sun relative to the Earth. The Moon's phases are caused by the angle between the Moon, Earth, and Sun changing, as the Moon orbits the Earth. When the Moon is between the Earth and the Sun, the side facing the Earth is not illuminated by sunlight, so it appears dark, and this is called a new moon. When the Moon is on the opposite side of the Earth from the Sun, the entire side of the Moon facing the Earth is illuminated by sunlight, so it appears full, and this is called a full moon. As the Moon moves in its orbit, the angle between the Sun, Earth, and Moon changes, causing the illuminated portion of the Moon visible from the Earth to change, leading to different lunar phases.

Answer:

1

Explanation:

all living organisms are made up of cells.

The appearance of water in different forms impact human activities by leading to a decrease in fishing due to the ice covering the surface of the water body.

This can be referred to as a form of sport or agricultural activity which involves trying to catch fish.

There are different appearances of water which could be in the liquid or solid state and in areas which the temperature is very low then there is usually freezing of the water into ice which makes it difficult of fishing to occur.

This is because the ice covers the surface and makes it unaccessible unless melting occurs thereby making it the correct choice.

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The appropriate response is Early humans duplicated the ROCK1 and USP14 genes, which boosted their expression.

Pericentric inversion refers to the alteration of the normal gene sequence that happens on both sides of the centromere. Each arm of the chromosome has a break point as a result of this inversion. Breakage might happen at two different places.

Human evolution began following chromosomal pericentric inversion. Because of this inversion, humans and chimpanzees no longer share a common ancestor. On the human ancestor's chromosomal number 18, about 19000 nucleotide bases were duplicated, inverted, and then reinserted.

Therefore, alternative is the right response. Early humans duplicated the ROCK1 and USP14 genes, which boosted their expression.

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Savannah is home to large herbivores who travel in herds in order to evade predators.

What is Savannah known for?

Savannah is known for its rich history, stunning architecture, and vibrant culture. It is the oldest city in the U.S. state of Georgia and was originally founded in 1733 as a British colony. Savannah is home to numerous historical sites and monuments, such as the Cathedral of St. John the Baptist, the Owens-Thomas House, the Savannah Historic District, and the Telfair Academy of Arts and Sciences. It is also known for its lush parks, such as Forsyth Park, which is home to the iconic Forsyth Fountain. The city is also known for its vibrant arts and culture scene, featuring many galleries, theaters, and performing arts venues. Additionally, Savannah is known for its diverse cuisine, with an array of restaurants serving up classic Southern dishes, fresh seafood, and international fare.

The savannah biome is home to large herbivores such as zebras, giraffes, antelopes, wildebeests, and buffalo, who travel in herds to evade predators. The stripes of the zebra also help to confuse predators.

Therefore, option C Savannah is the correct answer.

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The biome that fits this description is the Savannah. It is characterized by grassy plains with scattered trees and is home to large herbivores like zebras, who use their herd and stripes as a defense mechanism against predators.

So, the correct answer is C (Savannah).

What are herbivores?

Herbivores are animals that primarily feed on plants, such as leaves, stems, roots, fruits, and seeds. They have specialized digestive systems that are adapted to break down the complex cellulose found in plant cell walls into usable nutrients, such as carbohydrates and proteins. Examples of herbivores include cows, horses, rabbits, deer, and many species of insects, such as butterflies and grasshoppers.

The biome that is home to large herbivores who travel in herds to evade predators and where some animals, like zebras, use their herd and stripes to confuse predators is the Savannah. This biome is characterized by grassy plains with scattered trees and is found in tropical regions. The savannah is home to many large herbivorous mammals such as elephants, giraffes, and antelopes, who form herds for protection against predators like lions, cheetahs, and hyenas. The stripes on zebras' coats help to confuse predators by making it difficult for them to pick out a single target from the herd.

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The most likely explanation for the decrease in the density of gas particles in a section of Earth's atmosphere is that the air pressure in that section of the atmosphere decreased.

Density is defined as mass per unit volume. In the case of a gas, density is directly related to the number of gas particles (molecules or atoms) present in a given volume. When the air pressure decreases, it means that there are fewer gas particles exerting force per unit area. As a result, the density of gas particles in that section of the atmosphere decreases.

Air pressure is the force exerted by the gas particles on the walls of the container or the surroundings. It is influenced by several factors, including temperature, altitude, and the presence of other gases. Changes in these factors can cause fluctuations in air pressure. For example, if there is a decrease in temperature, the gas particles lose kinetic energy, which leads to decreased pressure and density.

It is important to note that the total number of gas particles in Earth's atmosphere does not necessarily change significantly over short periods of time. The atmosphere is composed of a vast number of gas molecules, and while there may be variations due to natural processes, such as volcanic eruptions or biological activities, these changes are relatively small compared to the overall composition of the atmosphere.

Therefore, the most likely explanation for the decrease in density of gas particles in a section of Earth's atmosphere is a decrease in air pressure, which can occur due to various factors such as weather systems, changes in altitude, or movement of air masses.

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energy production, energy storage, building macromolecules, sparing protein, and assisting in lipid metabolism.

mitosis refers to the parts of the original nucleus into two nuclei. On the other hand, meiosis refers to each having half chromosomes of the original cell.

in mitosis, there is the maintenance of chromosomes takes place while meiosis leads to a reduction in the no. of chromosomes. There are no variations in mitosis and variants occur in meiosis.

hence at last we can say that the above are the major difference between mitosis and meiosis. All of the explained differences will clearly lead to identifying them in particular. mitosis and meiosis plays a vital role in formation of gametes.

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The vascular plants that produces seeds are pine trees. Thus, option D is correct.

The type of plants in which a well developed vascular bundle is present in order to transport food, nutrients, as well as water from roots to the various parts of plants is known as vascular plants and the vascular plant that produces seeds is pine tree.

The process of germination has been defined as the process during which the organism grows from a spore or the seed and it has been applied to the sprounting of a seedling from the seed of a gymnosperms or an angiosperms.

The process of the germination just depends upon the temperature as well as availability of the water and if the temperature rise or there will be  increase in the temperature the chance of the germination also increases. More increase in the temperature will lead to failure in the process.

Therefore, The vascular plants that produces seeds are pine trees. Thus, option D is correct.

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The dependent variable in this experiment is D. The growth of the plants.

In conclusion, the dependent variable in this experiment is the growth of the plants. By manipulating the colors of light that the plants receive and measuring their growth over time, the scientist aims to determine the effect of light color on plant growth.

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Answer:

Velocity.

Explanation:

The dependent variable is dependent on the independent variable. Basically, in order for the dependent variable to happen, the independent variable needs to do something first. Usually on a graph, x is the independent variable, and y is the dependent variable. In this situation, the time (x) needs to be graphed in order to track the velocity (y) on the graph.

The other answers are valid, but are not listed on the graph. Unless something is implied with a specific answer (like saying that speed and velocity are considered one on one side of the graph), the other answers wouldn't be correct.

I hope this helps.

Explanation:

Dependent variables receive this name, because in an experiment they depend by some rule on the values of other variables.

here, time (in seconds) is all measured by itself.

but velocity is a measurement that depends on 2 input values : distance (m) and time (s).

so, velocity is the dependent variable.

Answer:

Through the process of natural selection, sea urchins have developed spines that serve as a defense mechanism against predators and a means of anchoring themselves in turbulent waters. This adaptation allows them to better survive in their environment, with individuals possessing longer or stronger spines being more likely to pass on their genes to the next generation. As a result, the population of sea urchins gradually becomes better adapted to their surroundings, demonstrating the power of natural selection in shaping the evolution of species.

According to the research, the correct answer is Option C. The Atlantic ocean grows in size due to a divergent boundary.

It is characterized by two plates that move in the opposite direction, approaching each other.

In this sense, in general it can form both on the ocean floor for example, mid-oceanic ridges producing constant volcanic activity that is forming new oceanic lithosphere causing an expansion in the Atlantic Ocean.

Therefore, we can conclude that according to the research, oceanic ridges (a divergent boundary), displace both segments of a ridge therefore the Atlantic ocean grows in size.

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Function is an exponential growth function or exponential decay function  it is an exponential decay function, as it starts at infinity and ends at 0.

For exponential functions, we see that our end behavior goes to infinity as our input values get larger. The larger the base of our exponential function, the faster the growth. For logarithmic functions, our function grows slowly as our input values get larger.

Examples of such phenomena include the studies of populations, bacteria, the AIDS virus, radioactive substances, electricity, temperatures and credit payments, to mention a few. Any quantity that grows or decays by a fixed percent at regular intervals is said to possess exponential growth or exponential decay.

Based on the shape of the exponential decay graph, we have the following end behavior: As , x → − ∞ , . y → ∞ . As , x → ∞.

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Answer:

The transcription and translation into protein of the information of a mutated DNA could lead to an amino acid change due to substitution.

Explanation:

Substitution is a type of molecular mutation —point mutation— in DNA, with effects on protein synthesis.

The change of an adenine base by guanine in the DNA leads to an erroneous transcription, which results in the change of an amino acid, alanine instead of valine:

Unmutated DNA      AGACAGACG

Transcribed mRNA UCU GUC UGC

Amino acids            Ser    Val    Cys

Mutated DNA           AGACGGACG

Mutated mRNA      UCU GCC UGC

Amino Acids            Ser   Ala    Cys

This change corresponds to a subtitution of one base for another in ADN, leading to a change in an amino acid of the protein and can lead to structural and functional alterations of the synthesized protein

The other options are not correct because:

    A. The mutation would affect the production of peptides by changing an amino acid.

    B. The change of the amino acid is not due to an insertion, but to a substitution.

    D. The change occurred in one amino acid due to a substitution, not multiple amino acids due to a frame mutation.

Answer:

A strongly acidic solution of the gas hydrogen chloride in water.

Answer: A strong inorganic acid that is used in many industrial processes such as refining metal.

Explanation: Hydrogen chloride, not hydrochloric acid, is used more widely in industrial organic chemistry, e.g., for vinyl chloride and dichloroethane.

Before fossil fuel and electrical power energy were harnessed, Humans used muscle power and direct wind and water power.

The correct option is C.

Muscle power refers to the power generated by humans during the contraction and relaxation of their muscles.

Muscle power can be used to accomplish a variety of tasks such as lifting objects, walking, running, etc.

Before the discovery of fossil fuels, humans use muscle power as well as wind and water power to accomplish tasks such as driving of motors, sailing ships, cutting trees, etc.

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Answer:

(A)

Explanation:

they pant because they are cooling there

self down

Answer:

1. On the basis of the symptoms given in the question the most possible infection would be Meningitidis by Neisseria meningitides bacteria, gram-negative diplococcus.

2. The infection mostly spread by saliva or droplets while coughing, or sneezing. It can also spread by having oral sex.

3. Antibiotics such as Cephalosporin antibiotic, ampicillin, Penicillin, and Chloramphenicol used in the treatment of Meningitidis.

4. PCR-based meningococcal DNA detection is the main or common molecular level diagnosis of these infections. It amplifies the DNA and amplified PCR products are visualized on gel-based systems. This involves, amplifying, annealing in 5 to 3 prime direction.

Answer:

This paragraph is drawing an analogy between a high waterfall and an electric circuit to explain the concept of voltage and current.

It is saying that a high waterfall has a lot of potential energy that can transfer to the water and cause it to flow very fast, which is similar to how a large voltage in an electric circuit can create a large current. The difference in height of the waterfall causes the water to flow, just as the difference in charge across a battery provides the push or force for the current to flow in a circuit.

In an electric circuit, voltage is the measure of the electric potential difference between two points, and it is measured in volts. Current is the flow of electric charge through the circuit, and it is measured in amperes or amps. The difference in charge across the battery refers to the potential difference or voltage between the positive and negative terminals of the battery, which creates an electric field and provides the force or push for the current to flow through the circuit.

Brainlist Please

This paragraph is using an analogy between a high waterfall and a large voltage to explain the concept of voltage and current in a circuit.

The paragraph starts by comparing a high waterfall to a large voltage. Just as a high waterfall transfers a significant amount of energy to the water, a large voltage in a circuit transfers a significant amount of energy to the flow of electric charge.

The energy transfer in the waterfall causes the river to flow very fast, which is likened to a large current in a circuit.

The "difference in height" in the waterfall analogy refers to the variation in elevation between different points in the waterfall. This difference in height creates a force that propels the water downstream, causing the river to flow. Similarly, in a circuit, the "difference in charge" refers to the disparity in electric charge between two points in the circuit.

This difference in charge, also known as voltage, provides the "push" or driving force for the flow of electric current. It is this voltage difference across the battery that causes the electric current to move through the circuit.

In summary, the paragraph illustrates that just as a high waterfall with a significant difference in height creates a fast-flowing river, the difference in charge (voltage) across a battery in a circuit provides the driving force (push) for the flow of electric current.

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Their movement will require the input of energy. That is option B.

An active transport is defined as the movement of molecules across the cell membrane from different compartments in the living organism.

The active transport makes use of energy because of the need to move molecules from a semi permeable membrane that is against a concentration gradient.

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The reduced electron carriers generated by the citric acid cycle are restricted to the matrix by mitochondrial structure. There, they are adjacent to the respiratory complexes of the electron transport chain, which will transfer the electrons from the carriers made by the TCA cycle to oxygen, the final recipient of electrons and hydrogens.

Citric Acid Cycle:

The pyruvate molecules generated at the conclusion of glycolysis are carried into mitochondria, which are locations of cellular respiration, in eukaryotic cells. By eliminating a carbon dioxide molecule in the mitochondria, pyruvate is converted into a two-carbon acetyl group, which is then taken up by the carrier substance coenzyme A. (CoA). The end product is known as acetyl CoA.

The citric acid cycle occurs in the matrix of the mitochondria in eukaryotic cells. The eight phases of the cycle are a sequence of chemical processes that result in the production of two molecules of carbon dioxide, one molecule of ATP, and the reduced versions of NAD+ and FAD+, known as NADH and FADH2, which are crucial coenzymes for cell function. Because the NADH and FADH2 generated must transport their electrons to the system's next pathway, which uses oxygen, part of this is regarded as an aerobic pathway. This transmission is not possible without oxygen.

Electron Transport Chain:

However, the majority of the ATP produced during the aerobic breakdown of glucose does not come from these mechanisms. Instead, it results from a procedure that starts with the transfer of electrons through a series of chemical events to an ultimate electron acceptor, oxygen. Both eukaryotic organisms' mitochondrial inner membranes and prokaryotic organisms' inner cell membranes contain specific protein complexes where these processes occur. A gradient of electrochemistry is produced across the inner mitochondrial membrane by harnessing the energy of the electrons. ATP is produced using the potential energy of this gradient. This entire procedure is known as oxidative phosphorylation.

The sole aspect of metabolism that employs ambient oxygen is the electron transport chain, which is the final stage of aerobic respiration. The electron transport chain is made up of the aggregation of the four protein complexes I through IV as well as any related mobile, accessory electron carriers.

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Answer:

alot

Explanation:

Answer:

9 per 1,000/yr.

Explanation:

The population growth rate is 9 per 1,000/yr.

The rate of growth of population is determined by the following formula:

Growth rate = B - D + I - E

Where B = birth rate, D = death rate, I = immigration, and E = emigration

In this case, B = 26, D = 15, I = 7, and E = 9. Substitute these values into the equation of growth rate.

Growth rate = (26 - 15) + (7 - 9)

                      = 11 - 2 = 9

Hence, the growth rate of the deer's population is 9 per 1,000/yr.

Answer:

D. Each new idea builds on observations and experimentation made

by scientists around the world and throughout time.

Explanation:

Biological science is an ever-evolving field, and our understanding of it has grown through a cumulative process. Scientists continuously build upon the knowledge and discoveries of their predecessors. New ideas and theories are developed based on observations, experiments, and the synthesis of existing information. This iterative process allows for the refinement and expansion of scientific knowledge in biology. Therefore, option D accurately captures the nature of how biological science has developed over time.

Answer:

artificial selection

Explanation:

through human activity evo

Answer:

whats the answers ??? it says the following so it has to be multiple choice

Explanation:

The term for groups of organisms showing rapid diversification in their form for a period of time is "adaptive radiation."

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(1) An antibody is a representation of one of the following metabolic processes.

Metabolism is the collective name for the set of chemical reactions that sustain life in organisms.

Converting the energy in meals into energy that may be used to power cellular processes is one of metabolism's three main tasks.

Metabolic reactions occur in particular regions of the cell.

The cytoplasm is also the site of glycolysis, fatty acid synthesis, and glycogen synthesis in addition to several stages of amino acid breakdown.

Different metabolic pathways have specific locations within the mitochondria.

Chemical reactions within the cell transform food into energy.

Our bodies need this energy in order to move, think, and develop.

Specific proteins in the body control the chemical reactions involved in metabolism.

Therefore, (1) an antibody is a representation of one of the following metabolic processes.

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