The age of the earth can however be derived from prior knowledge of the age of the Canyon Diablo meteorite.
What is Age?This is defined as the length of time during which a being or thing has existed.
The fragment of the Canyon Diablo meteorite determined the elements that formed as radioactive uranium decayed over billions of years.
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What part of the continental glacier moves the fastest?
Answer:
The centre
Explanation:
The reason is that there's less friction at the center.
Hope this makes sense! If you have further questions, let me know!
- profparis
Cauliflower, broccoli, brussels sprouts, cabbage, and kohlrabi are all the same species of plant. What is responsible for the differences in these vegetables?.
Artificial selection is responsible for the differences in these vegetables.
How long does a koala joey stay in its mom’s pouch after birth?.
Answer:
Six months :D
Explanation:
What three identifying features of a chromosome are used to pair homologous chromosomes in a karyotype?.
Answer:
To "read" a set of chromosomes, scientists use three key features to identify their similarities and differences:
Size. This is the easiest way to tell chromosomes apart.
Banding pattern. The size and location of Giemsa bands make each chromosome unique.
Centromere position. Centromeres appear as a constriction.
Explanation:
In a mouse, the axis that determines the body pattern from the nose to the tip of the tail is.
Answer:
antero-posterior
Explanation:
the axis that determines the body pattern from the nose to the tip of the tail
What happens if the amount of withholding taken from your pay is greater than the amount you owe in taxes?
Answer:
When it comes to taxes, less isn't always more because If you don't withhold enough from your paycheck, you may end up surprised at how much you owe Uncle Sam at tax time. And the chances that you are under-withholding taxes are higher than you may think.
Explanation: A 2018 report by the Government Accountability Office (GAO) suggested that a fifth of taxpayers might owe taxes in 2019 due to under-withholding.1 The concern was particularly significant that year due to changes in the 2017 Tax Cuts and Jobs Act. The updated W-4 form from the Internal Revenue Service (IRS) was fully implemented by 2021, and for some, those changes came as a surprise in the form of a more expensive tax bill.
However, no matter what tax year, it's important to withhold the correct amount from your paycheck to avoid underpaying the government.
If the amount of withholding taken from one's pay is greater than the amount owed in taxes, the taxpayer will receive a refund when they file their tax return, as described in Option A.
What is a tax refund?The amount of tax withheld is based on the employee's income, marital status, and the number of allowances they claim on the form, and the employer then withholds the appropriate amount of tax from the employee's pay and sends it to the IRS on their behalf. At the end of the year, the employee must file a tax return with the IRS, which calculates the total amount of tax owed for the year. If the amount of tax withheld from the employee's pay is greater than the amount they owe in taxes, they will receive a refund for the difference.
Hence, the taxpayer will receive a refund when they file their tax return that is present in option A.
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question is incomplete, complete question is below
What happens if the amount of withholding taken from your pay is greater than the amount you owe in taxes?
A)the taxpayer will receive a refund
B)will enjoy
Pioneer species move into an area after which event? the formation of a climax community a disturbance that forms new land without soil a disturbance that clears away all plants the enrichment of soil by plants
Pioneer species move into an area after a disturbance that forms new land without soil.
Pioneer species are the first organisms to inhabit a region that has experienced a primary succession.
How do pioneer species arrive?
Primary succession begins in barren areas, such as on bare rock uncovered by a retreating glacier.
The first residents are lichens or plants that can survive in such an environment. Over hundreds of years these “pioneer species” transform the rock into soil that can support simple plants such as grasses.
Thus, Pioneer species move into an area after a disturbance that forms new land without soil.
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Answer: ( B ) - a disturbance that forms new land without soil
Explanation:
What is DNA like in a city?
A plant can produce either purple flowers or white flowers. The purple flower color is dominant over the white flower color. What is the ratio of the offspring with purple flowers to the total number of offspring if two plants that are heterozygous for purple flowers are crossed?
1:4
2:4
3:4
4:4
Answer:
the answer is c and not d
Explanation:
what causes blue whales to grow so large
Answer:
Stronger upwelling created the right conditions for baleen whale prey, such as krill and forage fish, to become concentrated in dense patches along coastlines. Whales that fed on these prey resources could forage efficiently and predictably, allowing them to grow larger.
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HURRY PLEASE DUE IN 6 MIN
WHAT ARE THE SOURCES OF THE SUNS ENERGY?
WHAT DO ELECTRICITY CHARGED PARTICLES FROM THE SUN CAN STRIKE IN EARTHS MAGNETOSPHERE TO LEAD TO THE PRODUCTION OF SHEETS OF LIGHT KNOWN AS AURORAS?
WHICH LAYER OF THE SUN HAS THE DENSEST MATERIAL?
Answer:
The sun is a star, this means the sun generates energy from a process called nuclear fusion. During nuclear fusion, the high pressure and temperature in the sun's core cause nuclei to separate from their electrons. Hydrogen nuclei fuse to form one helium atom. During the fusion process, radiant energy is released.
In the north, the display is called aurora borealis, or northern lights. In the south, it is called aurora australis, or southern lights. The activity that creates auroras begins on the sun. The sun is a ball of superhot gases made up of electrically charged particles called ions. I got u bro.
Explanation:
Why might lymph nodes swell if a person has an infection?
Answer:
more blood cells come to that area to ward off infection
Explanation:
Figure 1 represents part of a process that occurs in eukaryotic cells. There are untranslated regions (utr) in this sequence
The figure is a representation of the processing of raw mRNA generated from transcription, otherwise known as pre-mRNA, to a standardized mRNA that can be translated.
Pre-mRNA processingAfter transcription, the pre-mRNA produced needs to be processed and refined in order to be ready for translation.
The non-coding sequence, otherwise known as introns, are spliced out of the pre-mRNA and the coding sequence, the exons, are joined back together.
The whole process is mediated by different enzymes.
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The figure is a illustration of the processing of uncooked mRNA generated from transcription, in any other case called pre-mRNA, to a standardized mRNA that may be translated.
What is Pre-mRNA processing ?After transcription, the pre-mRNA produced desires to be processed and delicate with a purpose to be geared up for translation.
The non-coding sequence, in any other case called introns, are spliced out of the pre-mRNA and the coding sequence, the exons, are joined again together.
The entire system is mediated through one of a kind enzymes.
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What is the difference between gametes and body cells.
Which two animals use echolocation? bats and humans bats and dolphins dolphins and humans dolphins and butterflies.
The two animals which use echolocation are bats and dolphins.
Both hunt their prey by articulating high-pitched sounds and listening for the echoes.
What is echolocation?
Echolocation is a method used by bats, dolphins and other animals to select the location of objects using reflected sound. This allows the animals to move around in pitch darkness, so they can guide, hunt, identify friends and enemies, and avoid obstacles.
Thus, bats and dolphins are two animals that use echolocation.
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Answer:
Bats and Dolphins is the correct answer
Explanation:
6. What happens to the energy that does not move up to the next trophic level?
The amount of energy at each trophic level decreases as it moves through an ecosystem. As little as 10 percent of the energy at any trophic level is transferred to the next level; the rest is lost largely through metabolic processes as heat
A specialist who treats the genitourinary system of males is a/an.
If you live in the southern hemisphere, what season would you be experiencing in position this diagram?
A)
Fall
B)
Summer
C)
Winter
D)
Spring
C) Winter.
I used someone else's answer and it was incorrect so I did it myself
Answer:
it is winter
Explanation:
i took the class
Three examples of mitotic reproduction are __________________________, __________________________, and _______________________________
Answer:
Yeast budding. Binary fission. Replacement of worn out tissues.
Explanation:
Will earth run out of water?
While our globe may never run out of water as a whole, it's crucial to realize that pure freshwater isn't always available where and when humans require it. In fact, only six countries contain half of the world's freshwater. Over a billion people do not have access to adequate safe, clean water. Water scarcity will afflict the entire planet by 2040 unless water use is significantly decreased. "If we keep doing what we're doing now, there will be no water by 2040."
How does the carbon dioxide necessary for photosynthesis enter plants? a. through their roots b. through openings in the leaves called stomata c. the plants produce their own complete supply d. none of the above please select the best answer from the choices provided a b c d
The process by which plants make their own food is called photosynthesis. The raw materials of it are carbon dioxide coming from stomata, water and sunlight.
What is stomata?Stomata is the opening for gaseous exchange and transpiration, present in epidermis of leaf.
Stomata are provided by two guard cells, which shrink and swell in order to open or close the stomatal pore respectively.
The carbon dioxide necessary for photosynthesis enter plants through these openings called stomata.
Thus, option b is correct.
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If the human diet continues to be refined, what changes might evolve in our teeth?
Answer:
The average human diet is a lot different than just a few decades ago, let alone thousands of years ago. Such a drastic change in diet appears to be having some adverse effects on our teeth and jaw, which evolved to chomp nuts and other harder foods.
Explanation:
What was gregor's life like prior to his physical metamorphosis? (what was his job like? what do we learn from his thoughts? what do we learn from the behavior and words of the chief clerk?
Before his metamorphosis, Gregor had a common life with a boring job he could not leave due to his family.
What is the Metamorphosis about?This is a novel that describes how a common man called Gregor Samsa one day and without explanation transforms into a giant insect and how this affects his life.
How was Gregor's life before the metamorphosis?Before this big change, Gregor Samsa had a very common life. The main characteristics of this character during this period are:
He has a boring job as a travelng salesman, which he dislikes. However, he cannot leave the job because his family depends on him.His thougths and ideas reveal his general insatisfaction with his current life.Note: This question is incomplete because the name of the text it refers to is not given. Here is the missing information:
The Metamorphosis by Franz Kaf ka
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Gregor's life prior to his physical metamorphosis was very common and monotonous with a boring job that he could not leave due to the restriction of his family.
What do you mean by Metamorphosis?Metamorphosis may be defined as a dramatic change that some animals, humans, and insects go through during their life cycles.
Gregor earns his livelihood by working as a salesman. This job seems very monotonous for him but he could not leave it due to the poor financial condition of his family.
The thoughts that we learn from his behavior are to think always high and trained your mind to achieve it. He also supports his family in bad times.
Therefore, it is well described above.
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3. Algae makes energy-rich carbon compounds through
photosynthesis.
4. A volcano erupts.
5. Carbon dioxide dissolves in rainwater.
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6. Humans use gasoline to power their cars.
7. Organisms carry out cellular respiration to release
energy from food molecules.
Check Answer
A complementary process in nature either adds (options 3, 6, and 7) or removes ( options 4 and 5) carbon dioxide from the atmosphere.
Complementary processes and it's benefitsThe processes that leads to the addition of carbondioxide back to the atmosphere include the following:
The eruption of volcanoes.Cellular respiration carried out by organisms to release energy from food molecules.The use of gasoline to power carsThe processes that leads to the removal of carbondioxide from the atmosphere include:
The production of energy-rich carbon compounds through photosynthesis.The dissolution of carbondioxide in rainwater.Learn more about photosynthesis here:
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The heart is a cone-shaped muscular organ located within the.
Answer:
mediastinum of the thorax.
Explanation:
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Which BEST describes the effect on the respiratory system if the human body did not contain a circulatory system?
A
Explanation:
If the body had no respiratory system, then the body would not be able to exchange gases which may lead to body suffocation and then death
What was new about Jacques Cousteau’s study of the ocean?
He created an underwater laboratory.
He documented life in the deep ocean.
He was the first to scientifically catalogue undersea life.
He was the first naval officer to also consider marine biology.
Answer:
The Answer Is He Created An Underwater Laboratory
The structures of five of the compounds of glycolysis are given. Arrange the compounds in order from the start of glycolysis to the end of glycolysis
Through the glycolysis process, the glucose molecule turns into pyruvate. The correct order of structures is Glucose/Fructose-1,6-biphosphate/Glyceraldehyde 3-phosphate/1,3-diphosphate glycerate/Pyruvate.
What is glycolisis?Glycolysis is the process through which the cell partially decomposes glucose and turns it into pyruvate.
It is about a series of enzymatic reactions that take place in the cytosol and do need no oxygen to occur. So it occurs in aerobic and anaerobic respiration.
It can be divided into two phases:
1st phase produces two 3-C molecules. This step needs the energy of two ATP molecules.2nd phase produces pyruvate, two ATP, and one NADH from each 3-C molecule.To sum up, glycolysis transforms one glucose molecule (6-C) into two pyruvate molecules (3-C), four ATP, and two NADH. Since it also consumes two ATP molecules, the net product is two ATP.
Steps
1) Glucose phosphorylation by hexokinase. A phosphate group is driven from ATP to glucose, turning it into glucose-6-phosphate -G6P-
Glucose + ATP ⇔ Glucose-6-phosphate + ADP
2) Glucose-6-phosphate isomerization. The enzyme glucose-6-phosphate isomerase turns glucose-6-phosphate into fructose-6-phosphate
Glucose-6-phosphate ⇔ fructose-6-phosphate
3) Fructose-6-phosphate turns into Fructose-1,6-biphosphate. The enzyme phosphofructokinase-1 phosphorylates Fructose-6-phosphate, providing a phosphate group from ATP to the Fructose-6-phosphate molecule.
Fructose-6-phosphate + ATP ⇒ Fructose-1,6-biphosphate + ADP
4) Aldolase enzyme divides Fructose-1,6-biphosphate into phosphate dihydroxyacetone (3-C molecule) and 3-phosphate glyceraldehyde (3-C molecule).
Fructose-1,6-biphosphate ⇔ phosphate dihydroxiacetone + 3-phosphate glyceraldehide
5) Phosphate dihydroxyacetone Isomerization into glyceraldehyde 3 phosphate -G3P- by triose phosphate isomerase.
phosphate dihydroxyacetone ⇒ glyceraldehyde 3 phosphate
6) Glyceraldehyde 3-phosphate oxydation by G-3-P dehydrogenase (GAPDH or GAP). The enzyme adds a phosphate into C-1 of the molecule, turning it into 1,3-diphosphate glycerate. To do it, the enzyme reduces an NAD+ group and turns it into NADH and an H ion.
gliceraldehide 3 phosphate + NAD⁺ + P ⇒ 1,3-diphospho glycerate + NADPH + H⁺
7) 1,3-diphosphate glycerate loses a phosphate group and turns into 3-phosphoglycerate.
1,3-diphospho glycerate + ADP ⇒ 3-phosphoglycerate + ATP
8) 3-phosphoglycerate isomerization, turning it into 2-phosphoglycerate by phosphoglycerate mutase.
3-phosphoglycerate ⇒ 2-phosphoglycerate
9) Phosphoenolpyruvate production. A double bond is formed at carbon 2 where the phosphate group was attached. A water molecule is released (hydrogen of carbon 2 and the OH- group of carbon 3) from the 2-phosphoglycerate.
2-phosphoglycerate ⇒ Phosphoenolpyruvate + H₂O
10) Pyruvate dephosphorylation and ATP formation by pyruvate kinase.
Phosphoenolpyruvate + ADP ⇒ Pyruvate + ATP
The correct order of structures is:
GlucoseFructose-1,6-biphosphateGlyceraldehyde 3-phosphate1,3-diphospho glyceratePyruvateYou can learn more about glycolysis at
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The correct order of the structures from the start of glycolysis to the end of glycolysis is Glucose → Fructose-1,6-biphosphate → Glyceraldehyde 3-phosphate → 1,3-diphosphate glycerate → Pyruvate.
What do you mean by Glycolysis?Glycolysis may be defined as a process in which one molecule of glucose is partially oxidized into the two molecules of pyruvate in a series of 10 enzyme-catalyzed reactions.
The first phase of glycolysis converts a 6-carbon molecule to two 3-carbon molecules with the help of ATP. The second phase is the payoff phase where a 3-carbon molecule may transform into the same carbon molecule known as Pyruvate with the release of energy.
Therefore, it is well described above.
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What are 'prokaryotic organisms'? What are some examples?
Explanation:
Prokaryotic organisms are type of cells that are clearly different from eukaryotic cells (human or plant cells), since they lack nucleus and other type of organelles and differ with size. ( some of them have flagella which helps these cells to move)
Example: Any type of bacteria can be considered as a Prokaryotic cell
Prokaryotic organisms are organisms that lack a true nucleus or in other words that have a primitive nucleus. This includes bacteria, E-coli, etc.
What is the difference between prokaryotes and eukaryotes?Eukaryotes are the organisms that have a well developed nucleus. They also have membrane bound cell organelles. These are generally multicellular.
Prokaryotes have a primitive nucleus, and the organelles are also not membrane-bound. These are unicellular.
Prokaryotes are divided into bacteria and archaebacteria. Most of them are small, single-celled and relatively simple. Example cyanobacteria, bacteria, E-coli, etc.
Thus, the organisms like bacteria, which lack a true nucleus are called prokaryotes.
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what is a DNA structure
Answer:
DNA is a two-stranded molecule that appears twisted, giving it a unique shape referred to as the double helix. Each of the two strands is a long sequence of nucleotides or individual units made of: a phosphate molecule. a sugar molecule called deoxyribose, containing five carbons.