can someone help me plz

Answer:

the signals have different frequency

Explanation:

The way that interference is avoided in these cases is that the signals have different frequency. Cell phone signals travel in a very specific wavelength, how often this wave repeats in a given span is called the frequency. By having these signals in different frequencies it prevents the signals from mixing with each other and instead allowing them to reach their destination intact. Otherwise, the signals would combine into a mess of uncomprehensible data, which is what we call interference.

Answer:

D.anywhere its service broadcasts and it can receive a signal.

Explanation:

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Answer:

option a is right answer

Explanation:

velocity= displacement/ time

Answer:

It transport oxygen from lungs to the cells.

Explanation:

The presence of iron in our body is very important for this process because iron is responsible for the transportation of oxygen. Hemoglobin is made up of iron that takes oxygen from the lungs to each and every cell. Iron is an essential element for the formation of blood in human body. About 70 percent of body's iron is found in the red blood cells of our blood called hemoglobin and in the muscle cells called myoglobin. So we can say that iron is very important for the release of energy in the process of respiration.

Answer:

1. Epiphyllous is anything that is growing on the surface of the leaf or get attached to it of any other plant. ... In this, the stamen gets attached to the part of the flower of some other plant as an adhesion of stamen. Explanation: In other words, Epiphyllous stamen are the Filaments fused with tepals.

2. In botany, a staminode is an often rudimentary, sterile or abortive stamen, which means that it does not produce pollen. Staminodes are frequently inconspicuous and stamen-like, usually occurring at the inner whorl of the flower, but are also sometimes long enough to protrude from the corolla.

Explanation:

pls mark me brainless

Answer:

they have a chance of 25% of producing a male child who will be haemophiliac.

Explanation:

0% of producing a female child who will have haemophilia

25% of having a daughter who is a carrier

Answer:

B.The clownfish living in a sea anemone

Explanation:

It's a relationship between two organisms where one benefits and the other gains neither harm nor benefit

Answer:

D. Moss growing higher on a tree to gain nutrients and sunlight.

Explanation:

I just had this question.

Answer:

3) 0.75m/s

Explanation:

The wavelength of a wave is calculated using the formula;

λ = v/f

Where!

λ = wavelength of wave (m)

v = velocity or speed (m/s)

f = frequency of wave (Hz)

According to this question, one end of a rope is vibrated to produce a wave with a wavelength (λ) of 0.25 m and frequency (f) of 3.0 Hz.

Using λ = v/f

v = λ × f

v = 0.25 × 3

v = 0.75m/s.

Answer:

It occurs because of the difference in temperature between the ocean and the land.  

This happens because the land heats up faster than the water, causing the air to rise above the land and allowing cooler air from the ocean to move in and take its place.

Because land and water have different capacities for holding heat, the land will heat up more quickly than the water on a hot day near the ocean. As a direct consequence of this, the air that floats above land tends to become warmer and less dense than the air that floats above water. Because of this, a region of low pressure is created over the land, while a region of high pressure is created over the water. In order to maintain a natural equilibrium, air will always move from areas of higher pressure to areas of lower pressure.

A breeze or wind that blows from the water to the land is caused by the air that is cooler and denser over the water moving towards the air that is warmer and less dense over the land. This phenomenon, which is referred to as a sea breeze, can assist in moderating temperatures on land, thereby making it feel more bearable and pleasant to be there.

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Answer:

c. Science has made the world look smaller

Explanation:

Honestly speaking, science has definetly made the word a larger and better place.

The is concluded that spider silk flexibility varies because their offspring inherited different combinations of gene versions from their parents, demonstrating that spider silk quality is dependent on the gene present in it.

The quality of the spider silk is genetic, and due to this, some of the spiders do produce high-quality silk while others produce average or poor-quality silk, but the silk has many applications in various fields, such as biomedical fields such as in tissue engineering, drug delivery, and wound healing, due to its biocompatible, non-toxic properties.

Hence, it is concluded that spider silk flexibility varies because their offspring inherited different combinations of gene versions from their parents, demonstrating that spider silk quality is dependent on the gene present in it.

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Plants use carbon dioxide in the atmosphere during photosynthesis, herbivores eat the plants, and a carnivore eats an herbivore.

Carbondioxide gas move from atmosphere to the biosphere by absorbing by the plants in the process of photosynthesis. These plants are the food of herbivores so they eat it and carbon move from plant to herbivore. Then the carnivore feed on the herbivore.

So we can conclude that option A is the right answer.

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Explanation:

I'm guessing this

faster entropy

Answer:

A and B are true

Explanation:

A and B are true

es la A

Hace aproximadamente 250 millones de años ocurrió la extinción masiva del Pérmico-Triásico, un evento en el cual murieron hasta el 96 por ciento de las especies marinas y un porcentaje similar de las terrestres. Cerca de tres millones de años después se produjo la separación, a partir de un ancestro en común, de los linajes que con el tiempo darían origen a las aves y los cocodrilos. El grupo que incluye tanto a cocodrilos como aves se lo denomina Archosauria, que significa ‘reptiles dominantes’.

espero y te ayude

Answer:

Number of wolves, and harshness of winter.

Explanation: I took the test

The combination of factors that is capable of limiting the population of elk in an ecosystem would be the number of wolves and the harshness of winter.

The limiting factors of a population are those factors that hinder the population of an organism from increasing unlimitedly. In other words, limiting factors hinder populations from reaching their biotic potentials.

Limiting factors can be density-dependent if they have correlations with the density of species or density-independent if they have no correlation with an organism's density.

Wolves generally prey on elks, so they limit the growth of elk's population in an ecosystem. A harsh winter will also limit the overall growth of the population of elk in an ecosystem.

Scavengers cannot be a limiting factor to elk's population because they only feed on carcasses.

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Answer:

     Having elecrical impulses travel down the axon to the terminal.

Explanation:

c to maintain homeostasis

It is c because it wants to regulate the amount of water in it's system

Answer:

Food is much harder to find the farther up the food chain you go. Toxins and chemicals accumulate in the bodies of everything that was eaten by the food that you eat. Toxins and chemicals bind to the tissue of larger animals better than smaller ones.

Answer:

Explanation:

Toxins accumulate in the bodies of everything that was previously eaten.

Answer:

The correct answer is 4. Plateaus.

Explanation:

A plateau is a relatively flat, relatively high-lying part of the earth's surface that is wholly or almost wholly bounded by steeply sloping terrains. There is a pronounced slope on at least one side. The original flat area has mostly risen vertically as a whole due to geological factors. It may possibly have been cut by rivers, giving the impression of a hill or mountain landscape, but this is not it.

Answer:

1. Mountains

Explanation:

When a body dies, the decomposition process is a predictable sequence of step-by-step events.

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Answer:

You multiply 0.5 by 20 which will give you 10 your answer is 10

the speed of a wave with a wavelength of 0.5 m and a frequency of 20 Hz  is 10

Speed can be referred  as the ratio of distance to the time in which the distance was covered which is a scalar quantity as it has only direction and no magnitude.

The speed is represented as s=d/t, Where, s is the speed in m.s-1, d is the distance traveled in m, t is the time taken in s

There are four types of speed like Uniform speed, Variable speed, Average speed, Instantaneous speed

Uniform speed is where the object covers equal distance at equal interval of time, variable speed is defined as when the object covers a different distance at equal intervals of times.

Instantaneous speed is defined as an object is moving with variable speed, then the speed at any instant of time is known as instantaneous speed.

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Answer:

His studies focus on the evolution of cis-regulatory elements in the regulation of gene expression in the context of biological development, using Drosophila as a model system.

Answer: His studies focus on the evolution of cis-regulatory elements in the regulation of gene expression in the context of biological development, using Drosophila as a model system.

Explanation:

Answer:

respiratory system

circulatory system

digestive system

Answer:

A   The oldest rock layer will occur at the bottom of the sequence

Explanation:

Answer:

A) At the bottom of the sequence

Explanation:

If undisturbed, rock layers will build up with time, leaving the oldest ones on the bottom as new layers are on the top.