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Answer:

Antibiotics begin to work right after you start taking them.

Explanation:

Antibiotics work by blocking vital processes in bacteria, killing the bacteria, or stopping them from multiplying. This helps the body's natural immune system to fight bacterial infection. However, you might not feel better for 2 to 3 days after using the antibiotics.

Answer:

carbon dioxide, 16.4% of oxygen, and 4.4% of carbon dioxide, nasal cavities (or oral cavity) > pharynx > trachea > primary bronchi (right & left) > secondary bronchi > tertiary bronchi > bronchioles > alveoli,

Explanation:

Answer:

Carbon.

Explanation:

Carbon forms the basis for all life on Earth; indeed, life forms on Earth are referred to as carbon-based life forms, emphasizing the importance of this element for life. Carbon atoms readily bond to other atomic elements, such as oxygen and nitrogen.

The type of organisms that marine scientists believe may provide clues to marine viruses are microbes.

Marine viruses are specific types of viruses found in marine environment or habitat.

Marine viruses like other viruses need to infect a living host to survive and replicate themselves. Marine viruses infect almost every living organism in the marine habitat.

Marine viruses are generally known to be microbe killers. Marine viruses infect their host cell by inserting their genetic material and hijacks the machinery inside the cell in order to replicate.

Therefore, the type of organisms that marine scientists believe may provide clues to marine viruses are microbes.

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Respiratory infections caused by viruses are as follows:--

influenza virus, respiratory syncytial virus, parainfluenza viruses, bocaviruses, metapneumovirus, rhinovirus, coronaviruses, adenoviruses

Speciation occurs when there is genetic divergence between two separated groups that used to belong to the same population. Option B) one group live with a stronger predator.

When the original species is divided and placed in different environments, where they can reproduce for many generations, many changes or mutations will occur in each group.

These changes will depend on each group's environment and its ecological pressures.

Pressures act on individuals and make them adapt to the new environmental conditions.

Generation after generation, the genotype of individuals will increase the fitness to survive and reproduce. The fixation of mutations will increase the difference among both groups, up to the diverging point into two new species.

One of the main factors that lead to speciation is separating an original population into two or more different groups divided by natural or atificial barriers that can not be crossed. This is the case of allopatric speciation.

After the emergence of the barrier, there is an interruption in the genetic interchange between these groups. New mutations might occur in each group due to environmental differences, leading to genetic divergence over time.

Options

a. have one group breed twice as often as the other.

Assuming identical environmental conditions for both groups, if the genetic charge does not change, there should not be speciation even if one of the populations gets to reproduce more frequently than the other.

b. have one group live with a much stronger predator.

The fact that one of the groups is exposed to a stronger predator and the other group is not, changes the environmental conditions for one of them. The group exposed to the stronger predator will suffer mutations that lead it to adapt to the presence of this new predator. In this case, there will be a genetic divergence between the two groups and hence, speciation.

c. keep the two groups apart, but in identical ecosystems.

Under identical environmental conditions, there is no speciation.

d. force the two groups to breed with each other.

There is genetic flow and the same genetic charge, so there is no speciation.

The correct option is B) have one group live with a much stronger predator.

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The Doppler effect, which is used to examine galaxies, tells us that a galaxy is approaching Earth through a redshift. hence option C(It indicates a galaxy moving toward Earth through red shift) is correct.

Doppler effect, generated by the relative motion of the wave source and the observer, is the apparent difference between the frequency at which sound or light waves leave a source and that at which they reach an observer. Mössbauer effect, which uses this phenomenon in astronomical observations.

Galaxies are studied using the Doppler effect. Astronomers typically measure the light divergence towards the lower frequency, in the spectrum we look at the red region, to determine how quickly stars and galaxies are moving away from or towards us. As a result, it suggests that a galaxy is redshifting and approaching Earth.

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Large beak will not be successful if the food is small in size because they can't eat that food.

Large beak was not successful if there is small sized food is present on the dish while on the other hand, if the dish has big sized food then the small beak can't survive the second round because they are unable to eat that food.

So we can conclude that big beak will not be successful if the food is small in size because they can't eat that food.

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Desensitization is a cognitive phenomenon in which those exposed to violence tend to become numb to more violence. Thus, the correct option is B.

Violence may be defined as an accomplishment of physical force that causes or is planned to cause harm, damage, or kill someone.

Therefore, the correct option for this question is B.

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Answer:

Hydrosphere, geosphere or biosphere

Explanation:

If green is dominant over blue, then  for this individual then the genotypic ratio will be 1:2:1. This can be expressed by monohybrid cross by punnett square,

A monohybrid cross refers to the hybrid of two individuals with pure breed genotypes that result in the opposite phenotype for a specific genetic traits.

Monohybrid cross is used by scientist to observe how pure breed offspring express heterozygous genotypes which is inherited from their parents.

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Answer:

NPS pollution is caused by rainfall or snowmelt moving over and through the ground. As the runoff moves, it picks up and carries away natural and human-made pollutants, finally depositing them into lakes, rivers, wetlands, coastal waters and ground waters

Explanation:

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The  transformation maps rectangle QRST to rectangle Q’R’S’T’ is reflection.

Reflection of light is an optical phenomenon in which a visible electromagnetic wave strikes a given medium, returning to the original medium in which it propagated.

In this case, reflection of an object occurs in such a way that it is equally reflected where the same points are in the same places.

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Answer:

if you have ah party wen we are pouring for the house and I

The property of water that the students are testing is the density of water.

Upthrust or Buoyancy force, is an upward force exerted by a fluid that opposes the weight of a partially or fully immersed object.

F = ρVg

where;

Thus, the property of water that the students are testing is density of water because it opposes the weight of the pennies dropped into it.

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Oogenesis produces 1 viable cell and spermatogenesis produces 4 viable cells. Details about gametogenesis can be found below.

Gametogenesis is the process by which gametes are produced. Gametogenesis consists of two processes namely;

Oogenesis is the formation and development of an oocyte or ovum while spermatogenesis is the process of sperm production in the testes.

Oogenesis results in the formation of only one viable egg cell while spermatogenesis results in the formation of four spermatids.

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Sulfur is especially important for chemotrophs living near deep volcanic thermal vents in the ocean. Therefore, option C is correct.

An organism is said to be a chemotroph if it uses the environment's electron donors to oxidize them for energy. They might be organic or inorganic molecules. In contrast to phototrophs, which use photons, chemotrophs employ chemicals. Both autotrophic and heterotrophic chemotrophs are possible.

Prokaryotic chemotrophic organisms, which comprise both bacteria and fungi, are the most prevalent type. For all of these species to exist and procreate, carbon is necessary.

Sulfur is especially important for chemotrophs living near deep volcanic thermal vents in the ocean. Therefore, option C is correct.

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Answer:

Fungal infections (fungal infections are called mycoses) are among the most common diseases seen in temperate fish. Because fungal spores are found in all fish ponds and create problems in stressed fish. Poor water quality can also lead to an increase in fungal infections in an otherwise healthy fish population

Explanation:

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Answer:

For bacterial cells, the cell envelope layer that lies just outside the plasma membrane is called the "Cell Wall".

For bacterial cells, the cell envelope layer that lies just outside the plasma membrane is called the cell wall.

The cell wall is a rigid, protective layer that surrounds the plasma membrane of bacterial cells and provides structural support and shape to the cell. It is found in many prokaryotic cells, including bacteria, as well as in some archaea.

The main functions of the bacterial cell wall are as follows:

Structural support: The cell wall gives the bacterial cell its shape and prevents it from bursting or collapsing due to changes in osmotic pressure. It provides rigidity and strength to the cell, enabling it to maintain its structure and integrity.

Protection: The cell wall acts as a barrier and protects the bacterial cell from mechanical damage and the external environment. It helps shield the cell from harmful substances and provides some defense against the host immune system and certain antibiotics.

Permeability control: The cell wall regulates the movement of molecules into and out of the cell. While it allows some substances to pass through, it restricts the entry of larger molecules and certain toxins.

The composition of bacterial cell walls varies among different groups of bacteria. The two most common types of bacterial cell walls are:

In summary, the bacterial cell wall is an essential structure that maintains the shape and integrity of the cell, protects it from external threats, and controls the movement of substances in and out of the cell. Its composition and organization are critical factors that contribute to the characteristics and behavior of different bacterial species.

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The fossilized carbon found in the remains of ancient plants and animals is said to be carbon 14, used for dating fossilized living things.

Carbon 14 is a natural radioactive isotope of the element carbon, receiving this number because it has an atomic mass of 14. This isotope has two more neutrons in its nucleus than the stable isotope carbon 12. C14 is formed continuously in the atmosphere and is the result of the process of cosmic ray bombardment.

With this information, we can conclude that the fossilized carbon found in the remains of ancient plants and animals is said to be carbon 14, used for dating fossilized living things.

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The role of oxygen in cellular respiration is It accepts electrons and keeps the electron transport chain running.

Energy is the ability to perform a job or to produce heat. Chemical reactions involve a rearrangement of atoms between substances with rupture or formation of chemical bonds and this generates changes in the energy of the system.

An exothermic reaction is one where energy is released from the system into the environment in the form of heat.  

Cellular respiration is carried out in the mitochondria of the cells. There the oxygen absorbed from the external environment is combined with carbohydrates (raw material) to release the chemical energy they contain. Water vapour and carbon dioxide are also released.

Thus, option "A" is correct.

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answer B.the partially positive chargers on the oxygen atoms of two

The answer is

The advantage of using smaller contour interval  is that you can see the detail of mountain.

A smaller contour interval  is used for showing small details .A contour interval in surveying is the vertical distance or the difference in the elevation between the two contour lines in a topographical map

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The nutrient cycle is defined as the transportation of nutrients from different components of the environment. A living state refers to the amount of minerals present in an ecosystem.

The nutrition cycle is divided into two categories. The following are some of them:-

Phosphorus is a nutrient cycle that occurs as a result of sedimentation. The following are the phosphorous' sources, as stated in the question:

Leaching is the process of a nutrient dissolving when raining and enhancing the nutritious quantity of the soil.

Mineralization and immobilization reactions mediated by the microbial biomass pool, as well as the solubilization of inorganic phosphorus-containing minerals by organic acids, inorganic acids, and chelating agents produced by soil organisms, are all part of the phosphorus cycle.

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