how many working days does an employer have before the employee starts a job with possible risk of infection?

Keratinized stratified squamous epithelium composes the epidermis.

A kind of stratified epithelium known as keratinized stratified squamous epithelium has many layers of squamous cells, or keratinocytes, with the superficial layer of cells being keratinized. The skin's epidermis is made up of this kind of epithelium.

They are very flat, they don't have a nucleus and organelle, they contain keratin protein, and they make our skin waterproof.

Thus, keratinized stratified squamous epithelium composes the epidermis.

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Answer:

okkkkkkkkkkkkkkkkkkkkkkkkkkk 23.6/0987

Explanation:

Answer:

c

Explanation:

because predators have limited food and there's not enough for alot of predators

In a glass of water, the most common ion found is the hydroxide ion (OH-) and the hydrogen ion (H+).

These ions are formed when water molecules dissociate through a process called self-ionization or autoionization.

In a glass of water, several ions can be found, originating from the dissociation of water molecules. The main ions present are hydrogen ions (H+) and hydroxide ions (OH-), resulting from the self-ionization of water.

Water molecules can break apart spontaneously into equal concentrations of H+ and OH- ions through a process called autoionization. This occurs when a water molecule donates a proton (H+) to another water molecule, forming H3O+ (hydronium ion) and OH-.

Additionally, other ions might be present in a glass of water depending on its source. For example, tap water can contain various dissolved ions like calcium (Ca2+), magnesium (Mg2+), sodium (Na+), chloride (Cl-), and bicarbonate (HCO3-). These ions come from minerals and other substances present in the water source, such as groundwater or surface water.

It's worth noting that the specific ion composition of water can vary depending on factors like location, treatment processes, and water source. However, the fundamental ions present in water are H+ and OH- resulting from the autoionization of water molecules.

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Answer:

D

Explanation:

Answer:

1500Joules

Explanation:

Work done, denoted by W, can be calculated using the formula:

Work done (W) = force (F) × distance covered (d)

According to the information in this question, Mary pushes her cart across the floor with a force (F) of 150N for a distance (d) of 10m.

Hence, work done (W) by the cart is:

W = 150N × 10m

W = 1500 Newton.metre (N.m) or Joules (J).

Answer:

my answer

Explanation:

the sun is rising in noon and at it's very height, carbon-dioxide levels are LOW because the more sunlight plants get, THE MORE PLANTS CONVERT SUNLIGHT WITH CARBON DIOXIDE INTO OXYGEN AND REMOVE CARBON DIOXIDE FROM ATMOSPHERE

Answer:

it seems that there aren't any factors that can really support it but i would say that the percent seems to lower because of the temp change

Explanation:

The Unites States has been doing a lot about environmental protection in the last decade.

The United States government via the environmental protection agency has been at the forefront of addressing several environmental issues such as Ozone layer depletion and climate change.

The United States Environmental protection agency has done a lot to update the standards for the amounts of toxic wastes in the environment over the years. There has also been an increase in legislation that aims at improving the environment such as the clean water act.

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Answer:

The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. ... Carbon is released back into the atmosphere when organisms die, volcanoes erupt, fires blaze, fossil fuels are burned, and through a variety of other mechanisms.

Explanation:

brainliest please

Answer:

Horns can help males compete for a mate during mating season.

As we all know that as humans we have many requirements to fulfill our needs. Aside from territory, food and water, horns on some male animals help them to compete for mates during the mating season.

What is mating season in animals?

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Answer:

Explanation:

Yes, the disease specialist's explanation is plausible based on what we know about evolution by natural selection. Let me break it down for you in simpler terms.

The disease specialist is suggesting that the tropical fungus mentioned by your colleague might be related to the fungal pathogen causing the illness at the hospital. They explain that even though the tropical fungus may have been brought to Vancouver Island some time ago, it might not have caused any illness until now. This could be because the tropical fungus was originally adapted to a different environment and couldn't infect people in the new environment of Vancouver Island.

Now, here's where evolution by natural selection comes into play. Over time, organisms can undergo changes in their traits and abilities through a process called natural selection. Mutations, which are changes in the genetic material of organisms, can happen randomly. If a mutation occurs in the tropical fungus that enables it to infect individuals in the Vancouver Island environment, it could be favored by natural selection.

For example, let's say that due to a mutation, the tropical fungus developed adaptations that allowed it to thrive in the new environment and infect people. These adaptations might include changes in its ability to penetrate human cells or evade the immune system. As a result, the fungus would become more successful at causing infections in the Vancouver Island population.

So, the disease specialist's explanation is plausible because it suggests that over time, through natural selection acting on mutations, the original tropical fungus could have evolved adaptations that made it capable of causing illness in the new environment of Vancouver Island.

The principle that larger alveoli are less efficient than small ones in supporting gas exchange is important in the pathogenesis of "d. Emphysema.

" Emphysema is a chronic lung condition characterized by the destruction of the alveoli, which are the tiny air sacs in the lungs where gas exchange occurs.

In emphysema, the walls of the alveoli become weakened and lose their elasticity. This leads to the enlargement of the alveoli and the formation of large air spaces instead of numerous smaller ones. As a result, the surface area available for gas exchange decreases, and the efficiency of oxygen and carbon dioxide exchange is significantly compromised.

The destruction of the alveoli in emphysema reduces the elastic recoil of the lungs, causing air to become trapped in the enlarged spaces during exhalation. This leads to difficulties in breathing and the characteristic symptoms of emphysema, such as shortness of breath and wheezing.

Therefore, the principle that larger alveoli are less efficient in supporting gas exchange is relevant to the pathogenesis of emphysema, a condition associated with the destruction and enlargement of the alveoli.

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Answer:

All living organisms respire. Cells need and use the energy that is formed through this process to assist with life processes in order for organisms to survive and reproduce. Oxygen and carbon dioxide are the main gases involved in aerobic respiration. These conditions are called gas exchange surfaces.

Explanation:

Answer:

Yes, all living cells respire.

Explanation:

The process releases the energy stored in glucose for life processes.

The symptom(s) of thiamin deficiency best explained by its role in glucose metabolism are depression and weakness.

Thiamine deficiency (which causes beriberi) is more common among people who consume milled rice or other developed countries and among alcoholic beverages. Symptoms are diffuse polyneuropathy, heart failure, and Wernicke-Korsakoff syndrome.

Thiamine deficiency can take two to three months to show signs and symptoms that are initially mild such as insomnia, nervousness, irritation, fatigue, loss of appetite and energy and progress to more serious conditions such as paresthesia, lower limb edema, difficulty respiratory and heart disease.

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The given statement "Hirsutism is an abnormal condition characterized by increased size of the extremities." is false as it is a disorder in women which causes growth of abnormal and thick hair on the face, chest as well as back.

Hirsutism is basically a condition which is found to be present in women and results in an excessive and unwanted growth of dark or the coarse hair which are present in a male-like pattern that is the face, chest as well as the back. The reason behind this extra hair growth is due to the excess amount of male hormones which are called androgens, primarily testosterone.

Hirsutism can be treated with the help of medication. The hair can also be possibly removed with the help of electrolysis or laser therapy.

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Two type of modification happens while a protein is being synthesized.

During protein synthesis, there are two types of modifications that can occur. The first type is called co-translational modifications, which happen while the protein is still being synthesized by the ribosome.

These modifications include the addition of signal sequences or post-translational modifications such as phosphorylation, glycosylation, or acetylation. These modifications can affect the function, localization, or stability of the protein.

The second type of modification is called post-translational modification, which happens after the protein has been fully synthesized. These modifications can include proteolysis, which is the cleavage of the protein into smaller fragments, or the addition of functional groups such as lipids or carbohydrates.

These modifications can also affect the function or stability of the protein. Both co-translational and post-translational modifications play important roles in regulating protein function and ensuring proper cellular processes.

Without these modifications, many proteins would not be able to perform their necessary functions within the cell.

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Archaeology, the study of cultures in the human past, focuses on **any human material remains**.

Archaeology encompasses the investigation and analysis of various human material remains from past civilizations and cultures.

This includes artifacts, structures, buildings, tools, pottery, bones, and other physical remnants of human activities. By studying these material remains, archaeologists gain insights into different aspects of past human societies, such as their technology, social organization, economy, art, religious practices, and more. While the fossil record and genetic evidence are valuable resources for understanding human evolution and ancient populations, they fall under the domains of paleontology and genetics, respectively, rather than archaeology. Human burial sites are certainly important for archaeologists, as they provide valuable information about burial customs, beliefs, and practices of past cultures. However, archaeology goes beyond burial sites to encompass a broader range of human material remains. Understanding how humans adapted biologically to their environment is a focus of biological anthropology rather than archaeology. Archaeology primarily examines the cultural and material aspects of past human societies rather than their biological adaptations.

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Each year the farmer saves and plants seeds from the largest pumpkins. If she starts with pumpkins that weigh 5 kg and each year grows pumpkins 3% more massive, on average, than those she grew the year before, then the average mass of the pumpkins after 10 years can be found as follows: The average growth of pumpkins each year will be 3% more than the pumpkins grown the previous year.

In other words, if x is the weight of pumpkins grown in one year, then in the next year the weight will be:1.03x kgThus, if the farmer starts with pumpkins of 5 kg weight, the average mass of the pumpkins after 10 years can be found by finding the weight of the pumpkin after 10 years of growth.

We can use the formula P = P₀(1 + r)n where:P₀ is the initial weight of the pumpkin, which is 5 kg.r is the growth rate of the pumpkins, which is 3%.n is the number of years of growth, which is 10.P is the weight of the pumpkin after 10 years of growth.

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When a couple of forces (moment) acts on a body, the condition on the body is that it is rotating.

The term "couple of forces" refers to a pair of forces that have equal magnitudes, opposite directions, and are parallel to each other but do not share the same line of action. When a couple of forces acts on a body, it creates a rotational effect or moment. This moment causes the body to rotate around its center of mass or a specific axis.

Therefore, the presence of a couple of forces indicates that the body is undergoing rotational motion. The body may or may not be moving in a particular direction, but it will definitely be rotating.

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Plants employ the process of photosynthesis to transform water and carbon dioxide into carbohydrates and oxygen.

Light energy is absorbed by the plant during photosynthesis and transformed into chemical energy. The oxygen is released into the environment, while the water and carbon dioxide are disintegrated into their component elements.

In the plant, the sugars are kept for future use. It is possible to write the photosynthesis equation as follows:

Light energy + water + carbon dioxide →  sugars + oxygen.

Light energy → chemical energy can be used to describe the energy transformation equation.

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Answer:

QUESTION:

Which problem do you think contributes most to water scarcity?

ANSWER:

Water shortages may be caused by climate change, such as altered weather patterns including droughts or floods, increased pollution, and increased human demand and overuse of water. A water crisis is a situation where the available potable, unpolluted water within a region is less than that region's demand.

Explanation:

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A 1500 iu (300 µg) dose of rhig can suppress immunization to 30ml ml of d-positive whole blood

About 30 mL of D-positive whole blood can prevent immunization with 300 g of RhIg (15 mL of packed rbc). If the gestational age is less than 12 weeks, a dose of 600 IU (120 g) can be adequate. The recommended dosages change from nation to country and even within countries depending on the foetus' development.

In North America, it is accepted that 300 g of RhIg can prevent the immunisation of about 30 mL of whole blood that has tested positive for D. For example, FMH larger than 30 mL of whole blood (for 300 g dosages) and FMH above 12 mL of RBC (for 100 g doses) both call for testing to identify larger foetal bleeds.

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According to decay theory, forgetting occurs because of the passage of time.

Sigmund Freud's concept of repression reflects the idea of retrieval failure.

Forgetting is a common phenomenon in human memory, and decay theory suggests that it happens due to the natural fading or weakening of memories over time. When information is encoded into our memory, it creates neural connections and pathways in the brain. However, these connections can gradually weaken or decay if they are not reinforced or accessed frequently.

The main idea behind decay theory is that memories that are not regularly reinforced or retrieved may gradually decay, becoming more difficult to retrieve accurately. This decay occurs at the neural level, as the connections between neurons weaken over time, making the memory traces less effective in retrieving the information. As a result, memories that are not actively maintained through rehearsal or retrieval can become less accessible and eventually fade away.

Repression is a concept introduced by Sigmund Freud in psychoanalytic theory, and it refers to the unconscious blocking of traumatic or distressing memories from conscious awareness. According to Freud, individuals may repress memories that are too threatening or painful to consciously remember, pushing them into the unconscious mind.

Repression aligns with the concept of retrieval failure because the memories that have been repressed are not readily accessible to conscious retrieval. While the memories may still exist in the unconscious, they are effectively blocked or "forgotten" from the conscious awareness.

When attempts are made to retrieve repressed memories, they may remain inaccessible due to the psychological defense mechanism of repression. These memories are effectively "hidden" from conscious recall, making retrieval difficult or even impossible without specialized therapeutic techniques.

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Answer:

B

Explanation:

A normal body cell of a fruit fly contains eight chromosomes. Each normal gamete of this organism contains four chromosomes. During meiosis, gametes, which are haploid reproductive cells, form that contain half the number of chromosomes as the parent cell.

Meiosis produces four haploid daughter cells, each of which contains half of the chromosomes of the original cell, in the case of the fruit fly, four chromosomes per gamete, to prepare for fertilization by a gamete from another parent and the creation of a diploid zygote that will develop into a new organism.Meiosis involves two cell divisions: Meiosis I and Meiosis II.

Meiosis I is also known as the reductional division, during which the diploid cell divides into two haploid cells, and Meiosis II is known as the equational division, during which the two haploid cells split into four haploid cells that have the same number of chromosomes as the original cell, but with different genetic information due to genetic recombination. In summary, a normal gamete of a fruit fly contains four chromosomes.

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An external hordeolum, commonly known as a stye, is a localized infection of the eyelash follicle. It is typically caused by bacteria, most commonly Staphylococcus aureus.

Styes appear as a painful, red, and swollen bump on the eyelid, often with a visible pus-filled head. They can be uncomfortable and may cause temporary vision disturbances.

Styes usually resolve on their own within a week, but warm compresses and good hygiene practices can help alleviate symptoms and promote healing. It is important to avoid squeezing or popping the stye to prevent further infection.

In some cases, a doctor may need to drain the stye or prescribe antibiotics if the infection persists or becomes severe.

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Based on the observations provided, ecosystem , the agricultural field, is likely to be the least sustainable. The correct answer is option is 3.

This is because the ecosystem only supports one type of plant, wheat, and has a high number of insects, which may indicate a lack of diversity in the ecosystem. Additionally, the ecosystem has few predators to help control the population of prey species like tadpoles and crayfish. This can lead to imbalances in the ecosystem and cause long-term sustainability issues. Ecosystem 1, 2, and 4 have a greater diversity of species and are likely to be more sustainable. So the  least sustainable ecosystem is the agricultural field. Hence option 3 is correct.

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Answer:

I'm not sure on this, but I would say saliva. Take this answer with a grain of salt though

Answer:

Saliva

Explanation:

I just got 100% on Edg.