Which professional uses practical knowledge of science to design and manufacture machines?

Answer:

Primary producer produce a food, to let a consumers consume it.

Primary consumers only can consume.

Explanation:

Answer:

true

Explanation:

Answer:

If this is a true or false question it would be true.

Explanation:

Forest plant nurcries have an important job of helping and protecting forests and they are used by federal agencies to learn more about how to protest these plants.

The amount of air that is moved between the atmosphere and alveoli in 1 minute is referred to as pulmonary ventilation, which is option (a).

What is pulmonary ventilation and what does it refer to?

Pulmonary ventilation is the process of moving air in and out of the lungs, which is also known as breathing. It is responsible for the exchange of gases between the atmosphere and alveoli, the tiny air sacs in the lungs where oxygen is taken up by the blood and carbon dioxide is released from the blood.

The amount of air moved between the atmosphere and alveoli in 1 minute is known as minute ventilation and is typically expressed in liters per minute. It is calculated by multiplying the tidal volume, the amount of air inspired and expired in one breath, by the respiratory rate, the number of breaths per minute. Therefore, option a is the correct.

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If the hawks are increased in this model, the grass will increase in the food chain.

The model that we can see in the question  can eb seen to represent a food pyramid with some organisms at the apex and some underneath.

This is referred to as the series of exchanges of food-based substance and energy from one creature to another.

The main consumers, those that eat the grass, will decline as hawk populations rise. Therefore, there will be more grass because of this.

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nerve and muscle cells

Answer:

nerve

Explanation:

muscle

Based on the karyotype, the disorder is Down's syndrome.

This is based on the fact that there is a trisomy of chromosome number 21.

Down syndrome, also known as Trisomy 21, is a genetic disorder caused by the presence of an extra copy of chromosome 21 in a person's cells. Typically, individuals have two copies of chromosome 21 in each cell, but in people with Down syndrome, there is an extra copy of chromosome 21, resulting in a total of three copies of this chromosome.

The presence of this extra genetic material can lead to a range of physical and intellectual characteristics that are associated with Down syndrome.

These can include characteristic facial features such as a small head and round face, as well as intellectual disabilities, developmental delays, and other health issues such as heart defects, digestive problems, and hearing or vision problems.

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Answer:

The answer Is B

Explanation:

Answer:

The most suitable answer is C.

Explanation:

Photosynthesis is the process whereby plants manufacture their own food using water, carbon (iv) oxide and some other minerals in the presence of sunlight while cellular respiration is the oxidation (or breakdown) of substances in the mitochondria (site of cellular respiration) in living cells.

Answer:

Atelectasis

Explanation:

Atelectasis is a medical ailment which affects the respiratory system. It is formed as a result of incomplete expansion or collapse of part or all of a lung due to mucus, tumor, or a foreign body that blocks the bronchus.

It is however common with people who are asthmatic other have lung diseases and it is characterized by low fever, breathing difficulty .

Long protein strands that are transported to the site of a wound to form a web that traps blood cells and forms a clot are called fibrin.

Fibrin is an essential component of the blood clotting process, helping to prevent excessive bleeding and promote wound healing.

When a blood vessel is damaged, a series of events known as the coagulation cascade is initiated. This cascade involves a complex sequence of reactions that ultimately lead to the formation of a blood clot. Fibrinogen, a soluble protein present in the blood, is converted into fibrin through the action of the enzyme thrombin.

Fibrin molecules then assemble into long, insoluble strands that form a mesh-like network at the site of the injury. Platelets and red blood cells get trapped within this fibrin mesh, forming a stable clot. The clot acts as a physical barrier, preventing further blood loss from the damaged blood vessel.

Over time, the clot undergoes remodeling and is eventually dissolved through a process called fibrinolysis, allowing for tissue repair and restoration of normal blood flow. The formation and subsequent dissolution of fibrin clots are tightly regulated processes that ensure appropriate clotting at the site of injury while maintaining overall blood flow throughout the body.

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Answer: c. Point B has an elevation less than 2750 feet.

Explanation:

The lines drawn on the map are known as contour lines and they are used to measure elevation. Point B is on a river and rivers are only able to flow at a lower elevation than the area around them.

Point B is therefore lower than the area around it and as the closest contour line to it puts the area at an elevation of 2,750 feet, that must mean that Point B is lower than 2,750 feet.

Answer:

Gymnosperms are vascular plants and spermatophytes, that is, they are produced from a seed and generate them.They are trees or shrubs such as pine and juniper.

Explanation:

Gymnosperm Plants are characterized by having conductive vessels and flowers but they do not have fruits. They are large plants, highly branched and long-lived, with small, evergreen leaves, for the most part. They are trees or shrubs such as pine, juniper, cedar, fir, araucaria, cypress and juniper. Its flowers are small and not very showy. Many of them produce pineapples or other false fruits, which only serve to protect the seeds.Pine trees are found in the group of plants called gymnosperms. Unlike a flowering plant, pine seeds are not contained within a fleshy fruit that protects them, instead they are connected to form a pineapple. Junipers are perennial shrubs that can grow to several feet tall. They are the largest of the Juniperus family and are considered conifers.

You have a population where you know people’s mn blood types. (m and n are co-dominant. ) 50 people are type mm, 30 are type mn and 10 are type nn. 0.72 is the rarest frequency of m. The four main blood types (groups) are A, B, AB, and O. The genes you inherited from your parents define your blood type.

There are a total of 8 blood types, each of which can be either RhD positive or RhD negative. Only 1% of our donors have AB negative, the rarest of the eight major blood types. Despite being uncommon, there is little demand for AB negative blood.

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Answer:

Genes are segments of DNA that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus. And a trait is a gene-determined characteristic.

Answer:

The Klinefelter syndrome is caused by the presence of one extra X chromosome (i.e., XXY males). Developmental limitations of this genetic disorder include: reduced muscle mass, neurodevelopmental problems, hypogonadism, etc. Abnormal chromosome numbers (known as aneuploidies) are usually caused by the nondisjunction of homologous chromosomes during Anaphase I or the nondisjunction of sister chromatids during Anaphase II

Explanation:

The Klinefelter syndrome is the most common sex chromosomal disorder in males, which is caused by the presence of an extra X chromosome (i.e., males with a XXY karyotype). This genetic disorder has many effects on development, including small testes (hypogonadism), weaker muscles, longer arms and legs, larger breasts than normal, infertility, immature development of secondary male sex features, cognitive problems (e.g., speech and language delays), etc. A chromosomal disorder occurs when chromosome pairs or chromatids fail to separate during meiosis, thereby producing cells (gametes) with more or fewer chromosomes than normal, a phenomenon known as aneuploidy.

Answer:

Wind, water, and ice erode can shape the land.

Explanation:

Volcanic activity and earthquakes alter the landscape in a dramatic and often violent manner. And on a much longer timescale, the movement of earth's plates slowly reconfigured oceans and continents. Each one of these processes plays a role in the Arctic and Antarctica.

During a clinical examination of a mouse or rat, certain attributes may be omitted or not applicable due to differences in anatomy, physiology, and the limitations of examination techniques. Here are some attributes that are commonly omitted:

Neurological evaluation (such as observing gait and posture) may be performed, extensive neurological assessments or specialized tests are often not feasible in routine examinations.

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Answer:

C. Carbon Dioxide (CO2)

Explanation:

The waxy part of candles usually has paraffin or is made of paraffin. Burning it eventually emits carbon dioxide.

Gene cloning is the method that seems more likely for e. coli given the relatively high fraction of the genome that is unique.

Why Gene cloning is preferred for e. coli?

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Chromosome are duplicated . this duplication occurs during the S phase of interphase, before mitotic prophase.

The other events (a, b, c, and e) occur during the latter stages of mitotic prophase.

The answer is d. chromosomes are duplicated. During the latter stages of mitotic prophase, the centrioles move apart, the nucleolus disintegrates, the nuclear envelope disappears, and the spindle is organized. Chromosomes were duplicated during the S phase of interphase, which occurs before mitosis. Miotic prophase is the stage of mitosis where the chromosomes condense and become visible.

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Mitotic Prophase is the phase of mitosis where chromosomes begin to condense and the mitotic spindle begins to form. The mitotic spindle is made up of microtubules that aid in the movement of chromosomes during mitosis.

All of the given options occur during the latter stages of mitotic prophase except for chromosomes being duplicated. Hence, the correct option is D.


During mitotic prophase, the following processes occur:
• Chromosomes begin to condense and become visible under a light microscope
• Centrosomes move away from each other, forming the poles of the mitotic spindle
• The nuclear envelope begins to break down
• The nucleolus begins to disappear
• The spindle fibers begin to organize

Chromosomes are already duplicated during the S phase of the cell cycle, which occurs before the M phase. During the M phase, the duplicated chromosomes are separated into two daughter cells. Therefore, chromosomes being duplicated is not a process that occurs during mitotic prophase.


Hence, we can conclude that all the given options occur during the latter stages of mitotic prophase except for the option D, which is chromosomes being duplicated.

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Answer:

A. Meiosis

Explanation:

Since Meiosis is the process of separating homologous chromosomes way from each other while Mitosis don't the answer will be A. Meiosis

Hope this helps!

Answer:

A. Meiosis

Explanation:

Meiosis is the process, in which the homologous chromosomes separated. So, option (A) is correct answer.

Janice is likely to acquire an aversion to eating after suffering signs of gastrointestinal sickness a few hours after eating a meal at a restaurant. Here option C is the correct answer.

When individuals associate a negative experience, such as falling ill, with a particular activity or stimulus, they may develop an aversion to that activity or stimulus as a protective mechanism. In this case, Janice developed symptoms of a gastrointestinal illness shortly after eating a meal at a restaurant.

The timing and context of the illness suggest that Janice may associate the act of eating with the subsequent illness. As a result, she is likely to develop an aversion to eating, particularly meals consumed outside of her own home or at restaurants.

While it is possible that Janice may also develop a temporary aversion to restaurants (Option D) due to the association with the illness, the specific timing of symptoms occurring a few hours after eating suggests that the primary aversion would be towards eating itself. Options A) Driving and B) Home are less likely to be directly associated with gastrointestinal illness, and therefore less likely to be the focus of an aversion in this scenario.

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Complete question:

Which of the following is Janice most likely to develop an aversion to after experiencing symptoms of a gastrointestinal illness a few hours after eating a meal at a restaurant?

A) Driving

B) Home

C) Eating

D) Restaurants

Answer:

water air soil sunlight and minerals

Explanation:

The biodiversity and distribution of organisms within an ecosystem is due to both abiotic (non-living) and biotic (living) factors.

Answer:

Variations in traits, such as the fur color of rabbits, may be caused by. A adequate resources. B a decrease in air pollution. C dynamic equilibrium

Answer:

2, phenotype

traits are determined using genetics

(a) The size of the beaches on each side of the jetties differs due to wave refraction. Sediment transport is restricted on the north side, leading to erosion and a narrower beach. On the south side, sediment accumulates, resulting in a wider beach.

(b) The longshore current is likely flowing from north to south along this coast. Sandbars have formed on the south side, indicating a southward transport of sediment.

(c) The jetty on the south side is angled to counteract wave refraction, redirecting waves and sediment parallel to the shore, reducing sand deposition and blocking of the harbor entrance.

(d) Jetties are constructed in pairs to maintain balance in sediment transport. Building jetties on only one side can cause imbalance, leading to erosion or sediment deposition, potentially closing off the harbor entrance

Jetties are constructed in order to protect the harbor entrance from being closed off by sand deposition

(a) The size of the beaches on each side of the jetties may differ due to the process of wave refraction. Wave refraction occurs when waves approach the shore at an angle and change direction as they encounter shallow water. In the case of jetties, they disrupt the natural longshore current, which is the movement of sediment parallel to the shore. When waves approach the shore, they refract around the jetties, causing sediment to be transported along different paths.

On the north side of the jetties, where the longshore current is blocked, sediment transport is restricted, leading to a reduced supply of sand to the beach. Consequently, erosion may occur, resulting in a narrower beach. On the other hand, the south side of the jetties is sheltered from the direct impact of waves, allowing sediment to accumulate, leading to a wider beach.

(b) Based on the image and the formation of sandbars, it is likely that the longshore current is flowing from north to south along this coast. This is indicated by the sandbars that have formed on the south side of the jetties. The longshore current carries sediment along the coast in the direction of the prevailing waves.

Since the sandbars have accumulated on the south side, it suggests that sediment is being transported from the north to the south, indicating a southward longshore current.

(c) The jetty on the south side of the harbor entrance is likely angled to counteract the effects of wave refraction and maintain the navigability of the harbor entrance. Waves approaching the shore tend to refract and change direction, which can lead to sediment deposition and the formation of sandbars.

By angling the jetty, it helps to redirect the incoming waves and their energy, reducing the potential for sand deposition and blockage of the harbor entrance. The angled jetty helps to channel the waves and sediment parallel to the shore, minimizing the disruption to the longshore current.

(d) Jetties are constructed in pairs to provide a balanced approach in managing sediment transport and maintaining the harbor entrance. By having jetties on both the north and south sides of the harbor, it allows for the effective control of the longshore current and sediment movement. The jetties work in tandem to create a stable navigation channel by controlling the direction and flow of waves and sediment.

Building jetties on only one side could lead to an imbalance in sediment transport, potentially causing increased erosion on one side and sediment deposition on the other, which could eventually close off the harbor entrance. The paired jetties help to maintain the equilibrium of sediment distribution and prevent excessive sediment accumulation or erosion.

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Complete Question:

Find the attached image for question.

Answer:

If the depth increases then the amount of carbon increases. For example, the amount of carbon found in 0 meter depth is 2000 ppm, but increases to 2200 ppm at a depth of 1000 meters.

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Answer:

Explanation:

Carbon content increases with depth. For example, the carbon content found at 0 m depth is 2000 ppm, but increases to 2200 ppm at 1000 m depth.