Answer:
1. Oxygen
2. Vitamins and minerals
Explanation:
Environment has given us various essential resources to sustain human life on planet earth
1. Oxygen -
Oxygen is very essential for survival of human. A person can live without food and water for some time and not without air. Breathing also provides energy for all our metabolic processes
2. Vitamins and Minerals
Both Vitamins and minerals are natural element which are very essential for regulating the growth, functioning and health of our body. These element cannot be produced by man.
A transformer with primary turns 30, secondary 40 with shared core has mutual inductance of 12 henries. the self-inductance of the primary would be _____ and the secondary
A nucleotide is about to be added to a growing strand of DNA. What factor determines which type of nucleotide will be added?
Answer:
base pairing
Explanation:
Surgery to correct hypertrophic pyloric stenosis is performed on a 3-week-old infant who has been fed formula. which postoperative feeding regimen is most appropriate
Postoperative feeding for an infant following hypertrophic pyloric stenosis surgery should start with small, frequent formula feedings, gradually increasing in volume. A responsive feeding approach is vital to cater to the infant's needs, and using an appropriate formula based on professional guidelines is necessary during recovery.
The most appropriate postoperative feeding regimen for an infant who has undergone surgery to correct hypertrophic pyloric stenosis requires a gradual reintroduction of feeds. Initially, the infant should receive small, frequent feedings of formula. This approach helps to ascertain tolerance to feeds and reduces the risks of postoperative complications like vomiting and dehydration. Over time, as the infant exhibits tolerance to formula, the volume can be progressively increased.
It is crucial to adopt a responsive feeding approach, which includes monitoring the infant's hunger cues and willingness to feed, as well as reacting appropriately to signs of fullness or discomfort. Also, it's important to use a formula that is suitable for the infant's nutritional needs, taking into account any potential allergies or intolerances, which might require a hypoallergenic or special formula. Consultation with a pediatric dietitian can provide individualized guidance.
While the American Academy of Pediatrics highly recommends exclusive breastfeeding for the first six months of life, when formula is needed, it is important to adhere to professional guidelines for feeding to ensure the infant's health and recovery post-surgery. The presence of complex medical situations, such as having had pyloric stenosis surgery, would warrant special attention to the feeding regimen to support proper healing and growth.
Increased _____ is a physiological change associated with normal aging.
a. activity of bone-forming cells
b. blood filtration rate
c. heartburn
d. cardiac output
The right option is c. heartburn
Heartburn is a painful burning feeling in the throat or chest. Heartburn is common and it increase in prevalence with age. As people gets older some activity that makes acid indigestion worse occur and can contribute to heartburn. For example the sphincter at the upper part of the stomach, which opens to allow food substances to enter the stomach tends to relax a bit more with age and this allows stomach acid to move slowly into the esophagus and heartburn can occur.
There are two types of pea plants: those that produce round seeds and those that produce wrinkled seeds. A single gene controls which type of seed a pea plant will produce.
An experiment shows that pea plants containing an allele for round seeds will always produce round seeds.
Based on this information, we can conclude that the allele for round seeds in pea plants is _______.
Further destruction of the joint results in joint erosion, scarring, and fusion, a condition called _____.
The appearance of a straight and rigid "pipestem colon" is characteristic of _____.
The appearance of a straight and rigid "pipestem colon" is characteristic of chronic ulcerative colitis. Ulcerative colitis is an inflammatory bowel disease that causes the inflammation and ulcers in the colon. The chronic ulcerative colitis is the rare form of colitis that affects the entire colon and causes severe pain, profuse diarrhea, bleeding, fever and inability to eat.
Why are top-level predators like lions and eagles so rare in a community?
This is because the transfer of energy from one trophic level to another is very inefficient. This is why the energy illustration of an ecosystem is more or less a pyramid structure. Only approximately 10% of biomass energy consumed by one level become biomass in the upper trophic level. The rest is lost as heat energy. This means the higher up the trophic level the fewer the organisms will be.
Through which parts of the heart does oxygen poor blood flow
Oxygen-poor blood flows through the right atrium, right ventricle, and pulmonary arteries, and is directed towards the lungs for gas exchange. After receiving oxygen, it returns to the left atrium via the pulmonary veins.
Explanation:Oxygen-poor blood flows through certain parts of the heart as part of the cardiovascular system's process of cycling blood to and from the lungs for gas exchange. Initially, the right atrium receives oxygen-poor blood from the body through two major veins: the superior vena cava, which returns blood from above the diaphragm, and the inferior vena cava, which returns blood from below the diaphragm. Then, the blood moves to the right ventricle, which pumps it toward the lungs via the pulmonary arteries, the only arteries that carry oxygen-poor blood.
With the help of pulmonary circulation, the oxygen-poor blood is directed to the lungs, where it releases carbon dioxide and picks up oxygen. After the exchange, the now oxygen-rich blood is carried back to the left atrium of the heart through the pulmonary veins, the only veins in the body that carry oxygen-rich blood. Systemic circulation then takes over, as the left ventricle pumps the oxygenated blood throughout the body to deliver oxygen to tissues.
A blockage in a coronary artery can prevent oxygen from reaching the heart muscle, highlighting the critical nature of unimpeded blood flow. It's important to understand the distinction between pulmonary and systemic circulation and how they contribute to the overall function of the cardiovascular system.
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The controlled process by which hydrocarbons are broken down or rearranged into smaller, more useful molecules is called ____.
This is the uneven distribution of bonding electrons in a molecule creating partially positive and negative sides of that molecule.
Explain why a person making an emergency call should never be placed on hold
Emergency calls require immediate attention because delays can lead to severe consequences, including loss of life. These calls are prioritized to ensure rapid response for the safety and health of individuals in dire situations.
Explanation:A person making an emergency call should never be placed on hold because immediate assistance is often required. In emergency situations, every second counts, and delays can result in worsening of the situation or even loss of life. For example, in a medical emergency, rapid response can mean the difference between life and death, which is why emergency services have protocols to prioritize such calls. Similarly, in situations such as fires or crimes in progress, any delay could have disastrous consequences. Therefore, emergency calls are given the highest priority to ensure that the person in need receives help as quickly as possible.
Part 1: dna replication 1st: original strand (a): complementary strand (b): 2nd: original strand (b): complementary strand (c): 3rd: original strand (c): complementary strand (a): questions: what are the base pairs for dna replication? where does dna replication take place?
What are the two parts of respiratory system and their parts?
If a gamete contains 5 chromosomes, how many chromosomes will a typical body cell contain? does the number of chromosomes change or remain the same just before mitosis (which is after chromosome duplication)?
For humans, each diploid cell contains 46 chromosomes. There are 22 pairs of autosomal, or non-sex, chromosomes among them, and two of them determine sex.
What are the chromosomes will a typical body cell contain?Chromosomes, which are shaped like threads and house the DNA molecule in each cell, are found in the nucleus.
The DNA that makes up each chromosome is tightly coiled around histone proteins several times to support its shape.
Two times as many chromosomes as those in a haploid cell, or 2n, make up the total number of chromosomes in diploid cells (n).
The DNA that makes up each chromosome has been repeatedly tightly coiled around proteins called histones to support its structure.
Therefore, a body cell contains 10 chromosomes, and remains the same.
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The nature of an aura experienced during a seizure varies depending on the amount of fear experienced during the seizure. the location of the seizure focus. whether the seizure is above or below threshold. how long the person has experienced seizure activity. whether the motor system is involved.
Forces that bind a state together are ________ forces.
a. centripetal
b. unitary
c. centrifugal
d. federal
The answer is letter a. Centripetal. The good example of a centripetal force in political geography is a strong and populous capital. Also resulting tend to be centripetal forces within a country like education system, military, common language and transportation system.
Your client's campaign is getting a lot of clicks, but the conversion rate is low. which approach could help improve your client's conversion rate?
How was the Cretaceous period different from the jurassic
period
The Cretaceous period differed from the Jurassic period in terms of climate, flora and fauna, and significant geological events.
1. Climate: During the Jurassic period, the climate was generally warm and humid, with lush forests covering much of the Earth. In contrast, the Cretaceous period experienced a shift towards a warmer global climate. It was one of the warmest periods in Earth's history, with high levels of carbon dioxide in the atmosphere contributing to elevated temperatures. This warmer climate led to the formation of extensive shallow seas and widespread tropical and subtropical environments.
2. Flora and Fauna: The plant and animal life in the Cretaceous period showed significant changes compared to the Jurassic. Gymnosperms, such as conifers, still thrived, but the Cretaceous marked the rise of angiosperms, or flowering plants, which became dominant. These flowering plants diversified and spread across various terrestrial habitats. The Cretaceous also saw the emergence and diversification of new groups of organisms, including modern insects, mammals, and birds. Dinosaurs, which were dominant during the Jurassic, continued to flourish in the early Cretaceous but eventually experienced a decline leading to their extinction at the end of the period.
3. Geological Events: The Cretaceous period witnessed several noteworthy geological events. One of the most significant events was the fragmentation of the supercontinent Pangaea, which began during the late Jurassic and continued into the Cretaceous. This resulted in the formation of new continents and the opening of new ocean basins. Additionally, during the Cretaceous, the mid-oceanic ridge system known as the Atlantic Ocean began to form, gradually separating the Americas from Europe and Africa.
4. Mass Extinction: The Cretaceous period is most famously known for the mass extinction event that occurred at the end of it, known as the Cretaceous-Paleogene (K-Pg) extinction event. This event led to the extinction of around 75% of plant and animal species, including the dinosaurs. It is widely believed that the impact of a large asteroid or comet at the Yucatan Peninsula in modern-day Mexico played a significant role in this extinction event, causing widespread environmental devastation.
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Recurrent epidemics and widespread diarrhea, which kill millions of children each year, are often the result of __________.
Frequent nightmares, insomnia, and the intrusion of painful memories are symptoms most commonly associated with:
The term _____ describes a condition in which the eye does not focus properly because of uneven curvatures of the cornea.
a. nystagmus
b. strabismus
c. esotropia
d. astigmatism
When you wash an oily pan, dish soap aids in washing away the oil by surrounding the fat droplets and rinsing them away with the excess water. what similarities does this have to digestion in our bodies?
By age 6, the average child has a vocabulary of around ___________ words
The vocabulary of children grows rapidly from the age of 2. By age 5, children generally understand about 6,000 words, and by age 6, their vocabulary has expanded to approximately 10,000 words.
Explanation:The child's vocabulary growth starts already at age 2, with usage of between 50 and 200 words, and by age 3, that number increases to approximately 1,000 words. This early vocabulary is largely composed of familiar objects or events, often nouns. As kids grow, rapid vocabulary expansion happens, which is often called the "vocabulary spurt." During this stage, their vocabulary increases by about 10-20 new words each week. According to research, however, not every child experiences this rate of growth. By age 5, they typically understand about 6,000 words and can speak 2,000 words fluently. With this in consideration, by age 6, a child should ideally have a vocabulary of around 10,000 words.
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The identification of a complex arrangement of sensory stimuli is known as
Which drug mainly acts by stimulating the satiety center in the hypothalamic and limbic areas of the brain?
How is variation beneficial to an organism? How is it harmful?
The sediments found in a riverbed are most likely a result of which action on nearby rock?
The sediments in a riverbed likely result from the weathering and erosion of nearby rock, carried by natural forces like water flow and deposited through a process called deposition.
The sediments found in a riverbed are most likely a result of various actions on nearby rock, including weathering and erosion. These processes lead to the breakdown and transport of rock material. Weathering involves the physical and chemical breakdown of rocks into smaller fragments. Erosion encompasses the removal of these fragments from their original location through natural forces such as water flow in rivers. Eventually, these sediments are carried and deposited in different areas, including riverbeds, through a process known as deposition. Over time, the accumulation of these sediments can lead to the formation of sedimentary rock, given sufficient pressure from additional layers of sediments. Important factors in this process include hydraulic action, which lifts sediment from the sides and bed of the river channel, and abrasion, where materials suspended in the water help to scour the bed and sides of the channel.
If cells from a carrot are removed and placed in a culture medium, they can develop into a normal adult plant. this demonstrates that carrot cells _____. see concept 20.3 (page 427) view available hint(s) if cells from a carrot are removed and placed in a culture medium, they can develop into a normal adult plant. this demonstrates that carrot cells _____. see concept 20.3 (page 427) retain all the genes that were in the zygote that developed into the original plant are undifferentiated as adult cells differentiate differ genetically at maturity differ as mature cells
T for theory L for law
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