A radio has a resistance of 175 ohms, with a current flowing through it of 700mA. What is the potential difference?​

The model of a lunar eclipse showing how the moon is illuminated is found in the attachment.

A lunar eclipse occurs when the Earth passes between the Sun and the Moon, causing the Earth's shadow to fall on the Moon. Lunar eclipses can only occur during a full moon when the Sun, Earth, and Moon are in a straight line.

During a lunar eclipse, the Moon moves into the Earth's shadow, which has two distinct parts: the penumbra (outer shadow) and the umbra (inner shadow). When the Moon moves into the penumbra, it appears slightly dimmer, but the change is not very noticeable. When the Moon moves into the umbra, it appears to turn red, orange, or brownish-red.

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The property of water most likely caused the weathering in picture is  hydrogen bonds in the water grew outward and moves the rock apart.

Water (H 2O) is a polar inorganic compound that is at room temperature a tasteless and odorless liquid, which is nearly colorless apart from an inherent hint of blue.

Three specific properties of water include adhesion, cohesion and surface tension. Adhesion is the attraction of water molecules to other substances, such as glass.

The four unique properties of water that make it unique are high specific heat, high polarity, adhesion cohesion, and a lower density as a solid. Water having a high specific heat allows it to absorb heat energy without a subsequent change in temperature.

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When the Moon is in its first quarter and third quarter phases, low tides are at their lowest level.

The correct option is D.

When the Moon is in its first quarter and third quarter phases, the gravitational forces of the Sun and the Moon pull at 90-degree angles from one another. At this point, low tides are at their lowest level.

During these phases, the gravitational forces of the Sun and the Moon partially cancel each other out, resulting in lower tidal ranges. This is known as a neap tide, and it occurs twice a month, around the time of the first quarter and third quarter phases of the Moon.

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When you click on a term or expression in the Item Bank, an explanation of the term will appear.

Expression is the act of expressing or setting forth in words. It is the way an individual conveys their thoughts, emotions, and ideas to others. Expression is a form of communication that can be verbal, non-verbal, written, or through physical actions. Expression is a way of conveying meaning, allowing someone to share their innermost thoughts and feelings with others. Expression can be used to bring joy and happiness, offer comfort and support, create understanding, and build relationships. Expression is a powerful tool and can be used to make positive change in the world.

This explanation can provide additional information about the term, such as its definition, usage, and context. Additionally, it may include examples or visual aids to help you better understand the concept.

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The part indicated by "A" and "B" in the image attached are:

Epicondyles and fossae are anatomical terms that describe bony features of the human skeleton, specifically in the upper limbs.

Epicondyles are bony projections located on the distal end of the humerus bone, which is the bone in the upper arm. There are two epicondyles on the humerus, called the medial epicondyle and the lateral epicondyle. These projections serve as attachment points for various muscles and ligaments that are involved in movement of the forearm and hand.

Fossae, on the other hand, are shallow depressions or grooves in bone. In the context of the upper limb, there are several fossae in the humerus bone that serve as attachment points for muscles and ligaments. For example, the coronoid fossa is a depression in the anterior surface of the distal end of the humerus that accommodates the coronoid process of the ulna bone in the forearm.

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Answer:

Beaches affect other marine ecosystems by: Reducing sedimentation caused by coastal erosion; Acting as a filter the processes compounds entering the sea. Factors that limit the productivity of estuary ecosystems include: The need to survive osmotic stress; The depletion of the oxygen in the sediments.

In summary, the electromagnetic spectrum is a limited resource that is used for a variety of communication needs.

The electromagnetic spectrum is the range of all types of electromagnetic radiation. It is made up of different types of radiation, such as radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays and gamma rays. Each type of radiation has different characteristics, such as wavelength, frequency, and energy. All types of electromagnetic radiation are affected by the electromagnetic force, which is a type of force between objects that have an electric charge. Electromagnetic radiation is used in many different ways, such as to provide communication, to detect objects, and to provide energy.

The spectrum contains multiple frequencies that are used for sending information, either in analog or digital form. Analog signals travel in a continuous wave, while digital signals are converted to ones and zeros and sent as electrical pulses. The use of the spectrum is carefully managed to prevent interference between different users.

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A relation between two sets is a group of ordered pairs that each include one item from both sets. If item x comes from the first set and item y comes from the second set

One point's coordinates from the coordinate system are included in an ordered pair. A point's ordered pair of the form of is used to identify it (x, y). The x-coordinate of the first number is the same as the y-coordinate of the second.

Applying the horizontal line test to the function's graph is a simple technique to see if it is a one-to-one function. To do this, doodle horizontal lines.

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The process by which plants, algae, and some microorganisms turn light energy into chemical energy in the form of glucose is known as photosynthesis.

When sodium hydroxide (NaOH) dissolves in water, it separates into sodium ions with positive charges (cations) and hydroxide ions with negative charges (anions). Although cations and anions typically surround cations more tightly and vice versa, these ions move freely and independently of one another in the water.

NaOH (sodium hydroxide) breaks down into Na+ and OH ions in an aqueous solution. Because it is a strong base, the concentration of OH ions is the same as the concentration of NaOH.

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Answer:

The answer is B Cambrian

Explanation:

In the Devonian period, the fossils were things like sponges, corals, bryozoans, brachiopods, trilobites, snails, clams, squid-like animals, crinoids, and microscopic animals like ostracodes and conodonts. The Cenozoic period was the "Age of Mammals." Common Cenozoic fossils include cat-like carnivores and early horses, as well as ice-age fossils like wooly mammoths. And in the Cambrian period, the fossils that were found were arthropods. That is an arthropod. Hope this helps :)

Answer: Im pretty sure the answer is B because fish dont need oxygen and there is no oxygen tank

Hope this helps!

Hemoglobin is 50% saturated at lower partial pressures in winter.

P50 is a measure of the partial pressure of oxygen at which hemoglobin is 50% saturated with oxygen. It is affected by a variety of factors, including temperature, pH, and the concentration of other gases such as carbon dioxide.

One reason why P50 might be higher in the summer than in the winter is because of differences in temperature. Hemoglobin is sensitive to temperature, and its oxygen-binding affinity decreases as temperature increases. This means that hemoglobin is less able to bind oxygen at higher temperatures, which results in a higher P50.

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They absorb photons of certain level, ||, |||, | , ATP, light depends reaction these are the answers of those questions.

What is reaction ?

The transformation of one or more reactants into one or more new products is referred to as a chemical reaction. Substances are made of chemical constituents or compounds. The transformation of one or more reactants into one or more new products is referred to as a chemical reaction. Substances are made of chemical constituents or compounds.

What is glucose ?

It is a monosaccharide, which means "one sugar," and is the most basic type of carbohydrate (carb). Fructose, galactose, and ribose are examples of other monosaccharides. This is the form in which the body eventually transforms food glucose and other carbs into blood glucose.

Therefore, They absorb photons of certain level, ||, |||, | , ATP, light depends reaction these are the answers of those questions.

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A trait must have heritable variation in order for natural selection to occur, and the ownership of the trait must be associated with differential survival and reproduction.

Origin of giraffes' long necks is a classic example of natural selection at action. Animals resembling deer or antelope with necks of average length were the progenitors of current giraffes.

Natural selection happens when people with a certain genotype have a higher chance of surviving and reproducing than those with a different genotype, and as a result, are more likely to pass on their alleles to the following generation.

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In the project, we must mention that global temperature change is one of the most pressing environmental issues facing the world today. It is the result of human activities and has numerous impacts on the planet and its inhabitants.

Global temperature change refers to the long-term increase or decrease in the average temperature of the Earth's atmosphere and oceans. Since the Industrial Revolution in the mid-19th century, the Earth's average surface temperature has increased by approximately 1°C, primarily due to human activities such as the burning of fossil fuels and deforestation, which have led to an increase in greenhouse gases in the atmosphere.

This increase in temperature has led to numerous impacts, including sea-level rise, more frequent and intense heatwaves, changes in precipitation patterns, and more frequent and intense extreme weather events such as hurricanes and floods. These impacts have significant consequences for human health, agriculture, biodiversity, and the economy.

In conclusion, it is essential that we take action to reduce greenhouse gas emissions and mitigate the impacts of climate change to ensure a sustainable future for ourselves and future generations.

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Answer:

C. each daughter cell receives a nearly perfect copy of the parent cell's genetic information.

Explanation:

During mitosis, the genetic material (DNA) is replicated and then divided equally between the two daughter cells, ensuring that each cell receives an identical set of chromosomes. Cytokinesis then physically separates the two cells. While some random mutations can occur during DNA replication, the overall amount and content of genetic information in each daughter cell is almost identical to the parent cell. Option A is incorrect because it suggests that the genetic information is altered, which is not necessarily true. Option B is incorrect because it suggests that the division of genetic material is random, which is not the case during mitosis. Option D and E are also incorrect.

Answer:

D. None of these are true

Explanation:

Mitosis and subsequent cytokinesis yields 2 daughter cells with identical genetic information to each other and the parent cell.

The phase of mitosis that is missing from the data table given is prometaphase.

A possible reason that the students chose NOT to consider that phase in their experiment could be that it is not easily distinguishable like the other phases.

Prometaphase is sometimes not presented as a distinct phase of mitosis because its timing and duration can vary depending on the cell type and the experimental conditions.

In some cases, the processes that occur during prometaphase can be grouped together with those of the preceding phase, prophase, or the following phase, metaphase.

Additionally, the transition between prophase and prometaphase can be gradual and difficult to distinguish, as the nuclear envelope begins to break down and the spindle fibers start to interact with the chromosomes.

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Complete question:

The complete table is found in the attachment.

Answer:

Life is believed to have started in water, consequently translating to problems bordering around the amount of dissolved gases (especially Oxygen) available. This would in turn influence how organisms find means of survival, one of which is being able to respire in the absence of oxygen. You would also observe that evolution sets in, organisms start adapting to life on land, the need to develop features to allow more atmospheric oxygen sets in.

Answer: When fossil fuels are burned, gases like carbon dioxide are released into the atmosphere that add up over time and trap heat. This is why they’re called “greenhouse” gases.

Explanation:

This is an example of an ecosystem, in which all of these species interact with each other and their environment in order to survive.

An ecosystem is a biological community of interacting organisms and their physical environment. It can be as small as a puddle or as large as the entire planet. Ecosystems are dynamic, constantly changing and adapting to the forces of nature. They include both living organisms and nonliving components such as air, water, and soil. All of the components of an ecosystem are connected, and changes to one element can affect the entire system.

The rain forest provides a habitat for these species, and the rivers act as a source of food and water for them. The interaction between these species and the environment is what makes an ecosystem so unique and important. In addition, the abundance of biodiversity found in this ecosystem helps to maintain balance in the entire region. All of these species rely on each other in order to thrive, making this a true example of an ecosystem.

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Answer:

+8

Explanation:

BIngle bopper69

During a nerve impulse, neuron undergoes changes in ion movement across its cell membrane.

Sudden reversal of the electrical charge across membrane of resting neuron is called nerve impulse.

Initially,  neuron has a resting membrane potential of approximately -70 millivolts (mV) with more negatively charged ions inside the neuron compared to outside. When stimulus is received, ion channels open in response, allowing for influx of positively charged sodium ions into neuron. This influx of Na+ ions depolarizes membrane potential, causing  internal net charge to become more positive.

Once the membrane potential reaches certain threshold , voltage-gated ion channels open, causing larger influx of Na+ ions into neuron. This creates an action potential, rapid and transient change in membrane potential where internal net charge becomes more positive and external net charge becomes more negative.

As action potential moves down the axon of neuron, voltage-gated ion channels continue to open and close, causing wave of depolarization followed by repolarization. During repolarization phase, voltage-gated ion channels for K+ open, allowing efflux of K+ ions out of the neuron.

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Answer:

A. Lidocaine blocks a neural cell membrane from depolarizing, causing the neuron to be unable to transmit an action potential.

Explanation:

Lidocaine works by blocking the voltage-gated sodium channels in the neuronal membrane, which prevents the depolarization required for the neuron to transmit an action potential. This blockage occurs preferentially in the ionized form of lidocaine, which can bind to the inside of the sodium channels. The nonionized form of lidocaine can more easily penetrate the lipid membrane of the neuron and reach the sodium channels from inside the membrane, where it can then become ionized and block the channels. This results in a local anesthetic effect, as the neuron is unable to transmit signals of pain or discomfort.

The mean speed in this situation is not possible to calculate without any additional information.

Speed is the rate of change in the position of an object over a period of time. It is measured in various units such as meters per second, miles per hour, and kilometers per hour. Speed is a scalar quantity, which means it has magnitude but no direction. Speed can be thought of as the rate at which an object covers distance. It is the magnitude of the velocity of an object, which is the rate and direction of its motion. Speed is calculated by dividing the distance travelled by the time taken.

The mean speed is determined by taking the sum of all the speeds and dividing it by the number of speeds. Without knowing the individual speeds, it is impossible to calculate the mean speed.

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There are numerous cleanup procedures for oil spills that can have significant environmental consequences, and strategies for mitigating those consequences will vary depending on the approach utilized. Yet, here is an example of a negative influence and a strategy to reduce it:

Negative impact: The use of chemical dispersants to break up the oil slick can be harmful to marine life and ecosystems. Dispersants can also disperse oil throughout the water column, making cleanup more difficult.

Solution: One option to lessen the harmful effects of dispersants is to limit their use and employ them only in regions where oil is unlikely to reach delicate habitats or when other cleanup methods are ineffective. Furthermore, employing more natural, biodegradable dispersants rather than synthetic ones can lessen the total environmental impact. Finally, utilizing dispersants in conjunction with mechanical measures such as booms and skimmers can aid in the containment and removal of scattered oil.

Source:

If we started the process of evolution over again on Earth, it is highly unlikely that the resulting organisms would be the same as the ones we see today.

The process of evolution is driven by a combination of random genetic mutations, natural selection, and environmental pressures. It is highly dependent on the specific circumstances and conditions of the environment.

Even if we were to start with the same initial conditions, such as same set of organisms and environmental factors, random nature of genetic mutations and unpredictable nature of environmental changes would result in different evolutionary paths being taken.

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The use of fossil fuels by humans has caused climate change and global warming, which will eventually modify how fossil fuels are distributed by changing the quantity and quality of water resources

Climate change strains ecosystems in a number of ways, including temperature increases, water shortages, increased fire danger, drought, weed and insect invasions, severe storm damage, and salt invasion, to mention a few.

There is no doubt about it: using fossil fuels like coal, gas, and oil is the primary driver of climate change. Fossil fuels produce carbon dioxide into the atmosphere when they are burned, warming the planet.

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Nonsense mutations are point mutations that cause an mRNA codon to turn into a stop codon. If the mutation is at the beginning of the gene, it is more damaging because most of the protein is affected. The new molecule is shorter, quite different from the original one, and would not accomplish all its functions.  

When a change occurs in a single base pair, it is known as a point mutation. Points mutations might be either silent, missense, or nonsense.

Nonsense mutations turn the mRNA codon into a stop codon, making the mutated protein reach its end before the original protein.

The length of the new molecule depends on where the mutation occurred.

If the mutation occurs at the beginning it is more damaging than if it occurs at the end.

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Answer: B, C, D

Explanation: A -a bear conserves energy that doesn't matter cause we know most animals conserve energy/ , a skunk sprays, a puffer fish expands goose flies south these are all true cause we know all this happens. :)