Arrange the phases in the life cycle of the Sun in order from the birth of the Sun to the time in the far distant future when the Sun has cooled.
becomes a black dwarf
becomes a white dwarf
begins nuclear fusion at its core
casts off matter as planetary nebula
exists as it is today
enters red giant phase
Answers
The Sun will continue to be a main sequence star for another 4-5 billion years.
What is the chronological order of the Sun's phases? The Sun has initiated its life like any other kind of star, that is, from the gas and dust in a twirling cloud. The particles come close to each other and get condensed, unless and until there is sufficient pressure for the beginning of the nuclear fusion. The Sun is in the middle of its lifespan and is presently in the prime sequence phase. At this phase, in its life the Sun combines hydrogen and helium. It is estimated that about 50 percent of the core hydrogen has been used so far.The following signifies the life cycle of the Sun:
a. Discard the substance as a planetary nebula.
b. The process of nuclear fusion starts at its core.
c. It appears in the form of a yellow star, as observed in the present time.
d. After that, it moves into a red giant star stage.
e. Converts into a white dwarf.
f. Turns into a black dwarf.
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Related Questions
Q) Explain the term ; Diatomaceous Earth
Answers
Answer:
This is a natural rock that is easily smashed into a fine white to off-white powder.
Explanation:
It has a particle size ranging from less than 3 um to more than 1 mm.
Hope it helps.
If an organism has a diploid number of 44 what’s the organisms haploid a number
Answers
Answer:
22
Explanation:
So half of 44 is 22.
A mutation occurred in the following DNA sequence AGCCTAGCC and the mutated form is now AGCCTTAGCC. Which of the following correctly describes the result of this mutation?
1.A deletion occurred so all of the amino acids added after the mutation may be wrong.
2.An insertion occurred so all of the amino acids added after the mutation may be wrong.
3.A substitution occurred so all of the amino acids added after the mutation will definitely be wrong.
4.An insertion occurred so all of the amino acids added after the mutation definitely will be different.
Answers
Answer:
Explanation:
1.A deletion mutation occurs when a wrinkle forms on the DNA template strand and subsequently causes a nucleotide to be omitted from the replicated strand.
2.This type of variant results in a shortened protein that may function improperly, be nonfunctional, or get broken down. An insertion changes the DNA sequence by adding one or more nucleotides to the gene.
3. A substitution mutation can cause the following: Change in the coding of amino acids codon to a particular stop codon resulting in an incomplete protein, which is usually non-functional. Can cause Silent mutations where a codon change can encode the same amino acid resulting in no changes in the protein synthesized.
4. when a premature nonsense or stop codon is introduced in the DNA sequence. When the mutated sequence is translated into a protein, the resulting protein is incomplete and shorter than normal. Consequently, most nonsense mutations result in nonfunctional proteins.
TWO predator adaptations used to help them capture their prey are *
camouflage
outrunning prey
mimicry
fleeing
Answers
Answer:
Under the pressure of natural selection, predators have evolved a variety of physical adaptations for detecting, catching, killing, and digesting prey. These include speed, agility, stealth, sharp senses, claws, teeth, filters, and suitable digestive systems.
Explanation:
hope this helps mah dude.
The mass of an object doubles. What happens to the gravitational force between it and another object whose mass stays the same, assuming they remain the same distance apart?
A. The amount of the gravitational force quadruples.
B. The amount of the gravitational force doubles.
C. The amount of the gravitational force decreases by one-half.
D. The amount of the gravitational force remains the same.
Answers
Answer:
part b is the right answer
Explanation:
The amount of the gravitational force doubles
When the mass of an object doubles; The amount of gravitational force between it and another object whose mass stays the same doubles.
Gravitational forceAccording to Newton's law of universal gravitation;
The gravitational force between two objects is directly proportional to the product of their mass and Inversely proportional to the square of their distance apart.On this note, since the mass of the other object is kept constant; the gravitational force is doubled when the mass of the object is doubled.
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What part of the brain is responsible for cognition?
A.Cerebral cortex
B.reticular formation
C.hypothalamus
D.thalamus
Answers
The majority of what we refer to as "brainwork" cognition, mental imagery, extremely complex processing of visual data, and the capacity for language production and comprehension is made possible by the physical structures found in the Cerebral cortex.
Which lobe of the brain is primarily in charge of cognition?Higher cognitive processes like memory, emotions, impulse control, problem solving, social interaction, and motor function are all controlled by the frontal lobe as a whole. When the frontal lobe's neurons or tissue are damaged, personality problems, trouble focusing or planning, and impulsivity can result.
Is cognition controlled by the brain cortex?There are a huge number of neurons in the cerebral cortex. High-order cognitive processing or the conscious mind is carried out by these neurons in humans. The sensory signals produced by the body are terminated in the cerebral cortex.
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Plsss !! Help
The enzyme helicase builds a strand of RNA using the DNA as the template
Answers
Answer:
did you try
G
O
O
G
L
E
Explanation:
What would be the expected nuclear dna content of a primary spermatocyte in the same organism?.
Answers
1.65 picogram(s), that expected nuclear dna content of a primary spermatocyte in the same organism.
In a gamete (i.e. sperm or egg), the quantity of DNA is 1c, and the range of chromosomes is 1n. Upon fertilization, each the DNA content material and the range of chromosomes doubles to 2c and 2n, respectively.Because they're produced with the aid of using mitosis, number one spermatocytes, like spermatogonia, are diploid and feature forty six chromosomes.
Each number one spermatocytes is going thru the primary meiotic department, meiosis I, to provide secondary spermatocytes, every with 23 chromosomes (haploid).A unmarried number one spermatocyte offers upward thrust to 4 sperms after meiosis. Primary spermatocyte undergoes first meiotic department to provide secondary spermatocytes (haploid). The secondary spermatocytes produce 4 haploid spermatids after the second one meiotic department.
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true or false Aves and spindle shaped body to reduce their assistance during fight
Answers
true
spindle shaped body with four divisions - head, neck, trunk & tail.
Which would be a consequence of the removal of predators from a population such as the trinidadian guppy population? see concept 52.5 (page 1185) which would be a consequence of the removal of predators from a population such as the trinidadian guppy population? see concept 52.5 (page 1185) guppies would produce fewer but larger offspring. primary producers such as algae would overgrow. guppy color patterns would change; guppies would produce fewer but larger offspring; the nitrogen excretion rate would increase and the rate of growth of primary producers such as algae would increase. the nitrogen excretion rate would increase. guppy color patterns would change?
Answers
Answer:
Guppy color patterns would change; guppies would produce fewer but larger offspring; the nitrogen excretion rate would increase and the rate of growth of primary producers such as algae would increase.
Explanation:
Guppies color patterns would change and they would produce fewer but larger offspring. Due to the increment, the nitrogen excretion rate would increase and the rate of growth of primary producers such as algae would increase.
Consider these two characteristics.
Characteristic 1: a scar due to an injury
Characteristic 2: the shape of a person's face
Which characteristic is a trait that can be inherited?
Explain your answer.
Answers
Answer:
the face is inherited the scat is a trait
Explanation:
you would be born with your face shape but not a scar
Characteristic 2 is a trait that can be inherited because it is coded by genes. Characteristic 1 is a trait that can not be inherited because it is not coded for by genes. The scar only affected physical appearance because it's a trait that occurred due to injury. The shape of a person's face is something someone's born with because of alleles from parents.
Edg asks for what you included in your response. The details Edg recommends to include are:-Characteristics that are coded for by genes can be inherited.
-The shape of a person’s face is inherited because this characteristic is coded for by genes.
-Characteristics that are due to an environmental factor cannot be inherited.
-A scar due to an injury cannot be inherited because this characteristic is a result of an environmental factor.
Make sure to include all/some of them! Hope this helped!Sincerely,aha im imposterWhat do you think are the most important risks and benefits of modern agricultural practices? Do you think the benefits outweigh the risks?
Answers
FiRsT PaRt of The QuEsTiOn:
The Risks of Modern agricultural practices are-
contributes to a number larger of environmental issues that cause environmental degradation including: climate change, deforestation, biodiversity loss, dead zones, genetic engineering, irrigation problems, pollutants, soil degradation, and waste.
The benefits of Modern Agricultural practices are-
An increase in yield of primary crops and lower food prices is as the result of modern technology like new crop varieties, the use of big data and precision agriculture.
Modern machinery like tractors and threshers when used up in farming make ploughing and harvesting faster.
SeCoNd PaRt Of ThE QuEsTioN:
No, I don't think the Benefits outweigh the RISKS of hurting the nature because we are compromising the needs of the future for more yield of crops. Modern practices may give you faster results but it takes away the fertility of the soil instead, It makes the land infertile. After using these modern practices you may not even have the land to do agriculture with.
Consider the enzyme shown below. Which of the following is a TRUE statement about this enzyme? [SELECT ALL THAT APPLY.] . a) The enzyme has two active sites. b) The enzyme changes a positive ΔG° to a negative ΔG°. c) The enzyme converts an endergonic reaction into an exergonic reaction. d) This enzyme has quaternary structure.
Answers
a) The enzyme has two active sites.
c) The enzyme converts an endergonic reaction into an exergonic reaction.
This enzyme has two active sites, allowing it to bind to two substrate molecules simultaneously. This feature enables the enzyme to catalyze a reaction involving two substrates or perform a reaction on a single substrate at two different sites. The presence of two active sites enhances the efficiency of the enzyme and increases the likelihood of successful substrate binding.
Furthermore, the enzyme is capable of converting an endergonic reaction into an exergonic reaction. Endergonic reactions require an input of energy to proceed, whereas exergonic reactions release energy. Enzymes facilitate chemical reactions by lowering the activation energy, making it easier for the reaction to occur. In the case of this enzyme, it catalyzes a reaction that would normally require an input of energy, but through its catalytic action, it enables the reaction to proceed spontaneously, releasing energy in the process.
Overall, the enzyme's ability to bind to two substrate molecules simultaneously and convert an endergonic reaction into an exergonic reaction highlights its efficiency and role in driving important biochemical processes.
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where do traits come from
A . They are only inheirted
B . They are only learned
C. They are inheirted or learned
quick answer please
Answers
Answer:
C, They are inherited or learned.
I hope this helped at all.Rashad hears a loud noise outside. When the sound reaches his ears and travels to the brain to be recognized, which of the following is true about how this happens A) information will only travel to the frontal lobe B) information will first travel to the thamalus and then to wernickes area C) information will travel only to the temporal lobe D) information will first travel to the thalamus and then to the temporal lobe
Answers
Answer:
D. information will first travel to the thalamus and then to the temporal lobe
Explanation:
A small mass of nervous tissue, consisting primarily of neuron cell bodies, outside of the brain and spinal cord is a.
Answers
Why do individual electrical signals not cause significant changes in intracellular and extracellular ion concentrations
Answers
Individual electrical signals do not cause significant changes in intracellular and extracellular ion concentrations due to several factors, including the short duration of the signals and the presence of ion channels and pumps that maintain ion balance.
Intracellular and extracellular ion concentrations are tightly regulated to maintain cellular function and homeostasis. While individual electrical signals, such as action potentials, generate changes in membrane potential, they do not lead to significant alterations in ion concentrations. This is mainly due to the following factors.
Firstly, electrical signals, such as action potentials, are relatively short-lived events. They occur in milliseconds and do not provide sufficient time for ions to diffuse significantly across the cell membrane or through the extracellular space. The duration of these signals limits their impact on ion concentrations.Secondly, cells possess ion channels and pumps that actively regulate ion movement. Ion channels facilitate the selective movement of ions across the cell membrane, while ion pumps utilize energy to actively transport ions against their concentration gradients. These mechanisms ensure that ion concentrations remain balanced even during the occurrence of electrical signals.Additionally, cells have buffering systems in place to maintain stable ion concentrations. Buffering molecules can bind and release ions, helping to stabilize their levels within cells and in the extracellular environment.In conclusion, the short duration of individual electrical signals, coupled with the presence of ion channels, pumps, and buffering systems, prevents significant changes in intracellular and extracellular ion concentrations. These cellular mechanisms work together to maintain ion balance and ensure proper cellular function.
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What happened when there was not enough carbon dioxide in the atmosphere to trap the sun's heat about 600 mya?
Answers
Answer:
Decreased Temperatures
Explanation:
Because carbon dioxide traps heat in the atmosphere, a lessening of atmospheric carbon dioxide concentrations would mean that more heat could escape into space. This would result in a net decrease in the Earth's average temperature, assuming other factors remain the same.
Using the law of conservation of mass, what is the mass, in grams, of the product in the given reaction?
Reactant 1 (35 grams)+ Reactant 2 (115 grams) →Product (? grams)
A. 80
B. 140
C. 150
D. 75
Answers
Answer:
The correct option is;
C. 150
Explanation:
By the law of conservation of mass we have that in a closed system, the mass of the items in the system can not be destroyed or created by a physical process or chemical reaction
In the given chemical reaction process we have;
Reactant 1 (35 grams) + Reactant 2 (115 grams) → Product = ((35 + 115) grams)
∴ Reactant 1 (35 grams) + Reactant 2 (115 grams) → Product (150 grams)
The mass of the product = 150 grams.
Write the balanced chemical equation for cellular respiration. (Please write the equation using scientific chemical symbols and then explain the equation in writing beneath.)
Answers
The complete balanced chemical equation for cellular respiration is as follows:
C6H12O6 (s) + 6 O2(g) ------> 6 CO2(g) + 6 H2O(l) + ATP
Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are through- merchandise and ATP is strength this is converted from the procedure. Cellular breathing is the procedure through which organisms use oxygen to interrupt down meals molecules to get chemical strength for mobile functions. Cellular breathing takes location withinside the cells of animals, plants, and fungi, and additionally in algae and different protists. Adenosine triphosphate (ATP) is the supply of strength to be used and garage on the mobile level. The shape of ATP is a nucleoside triphosphate, including a nitrogenous base (adenine), a ribose sugar, and 3 serially bonded phosphate groups.
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I NEED HELP!!
"describe what happens to whitelight when it passes through a glass prism and explain why."
Answers
Answer:
As light passes through a prism, it is bent, or refracted, by the angles and plane faces of the prism and each wavelength of light is refracted by a slightly different amount.
the light gets dispersed and there is a formation of a seven colours spectrum
Which one of the following systems affect the earths surface?
A. All of these
B. Co-evaluation
C. The rock cycle
D. The water cycle
Answers
Answer:
all of these do
Explanation:
if you were to remove or add to much of any of these it would change things for the worst
Refer to the graphs below. Determine the type of forest these moths inhabit. Use evidence from the Peppered Moth simulation and the graphs as well as scientific reasoning to support your response. l
Answers
Answer:good right
Explanation:
1.Underline the part of the equation that shows this is a synthesis reaction
2Mg+ 02— 2Mgo
I don’t quite understand please help if you can I’lol be very grateful
Answers
A synthesis reaction is a reaction in which two or more substances combine to yield a single product.
Synthesis reactionA synthesis reaction is a reaction in which two or more substances combine to yield a single product. In considering the reaction; 2Mg+ O2— 2MgO, we can see that a single product was formed as highlighted above.
Hence the reaction as written in the question above can rightly be classified as a synthesis reaction because a single product was formed.
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Define these two categories of energy.
Renewable energy-
Non-renewable energy
Answers
Answer:
[See Below]
Explanation:
☆ Renewable Energy ☆
- This type of energy can't run out. It gets it's energy from the earth and so as long as the earth is intact it'll keep making energy. This includes Solar and Wind powered energy.
☆ Non-Renewable Energy ☆
- This type of energy comes from the earth as well, but it the more it's used, it can't be replaced as quick. This energy could be described as limited. This would include Gas, Oil, as well as Coal.
~Hope this helps Mate. If you need anything feel free to message me.
The immune response to smallpox will not protect someone against the plague bacillus (Yersinia pestis). Which of the following best describes this idea? A. B-cell tolerance B. threshold dose C. major histocompatibility complex D. immunological specificity
Answers
Immunological specificity describes that the immune response to smallpox will not protect someone against the plague bacillus (Yersinia pestis).
D is the correct answer.
The level of differentiation between antigenic variations that an immune response makes is known as specificity. Analysing the relative affinity of isolated antibodies or T cell receptors for various antigens is a straightforward procedure.
The only vertebrate species that has adaptive immunity, often known as acquired immunity or specialised immunity. Specific to the pathogen that has been presented, the adaptive immune response. Despite being designed to combat diseases that are foreign to the body, the adaptive immune response can occasionally go awry and attack the body.
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Which of the following regulations is the primary law regarding water pollution?
a
The Safe Drinking Water Act
D.
The Clean Water Act
C.
The Marine Protection, Research, and Sanctuaries Act
d. WaterSense
Answers
Answer:
The safe drinking water act
hope this helps
Answer:
A
Explanation:
got it right on the test
which of the following is not true of glaciers? a. they originate on land b. they can form from frozen seawater c. they are moving d. they for from snow
Answers
b. they can form from frozen seawater.Glaciers do not form from frozen seawater.
Glaciers are large masses of ice that form on land, which means that statement a. "they originate on land" is true. Glaciers are formed by the accumulation and compaction of snow over long periods of time, eventually transforming the snow into ice. Therefore, statement d. "they form from snow" is also true. Glaciers are characterized by their movement, as they slowly flow under the influence of gravity, so statement c. "they are moving" is true. However, glaciers do not form from frozen seawater. Glaciers form in areas with colder climates, typically in mountainous regions or polar regions where snowfall exceeds melting, leading to the formation and growth of glaciers.
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Approximately how many million years ago (mya) was the region around current- day Watertown, New York, located the nearest to the equator
1. 270 mya
2. 300 mya
3. 340 mya
4. 450 mya
Answers
Answer:
340 mya
Explanation:
How can you relate the structures
to those of bryophytes in terms of evolutionary trend
Answers
Answer:
Because ferns and fern allies posses true vascular tissues, they can grow to be much larger and thicker than the bryophytes.
Bryophytes mark the transition to land and the origin of vascular plants, and hence, link the seed and vascular plants to their algal ancestors.
Molecular phylogenetic studies conclude that bryophytes are the earliest diverging lineages of the extant land plants. They provide insights into the migration of plants from aquatic environments to land.What is evolution trends?Evolutionary trends, whether macro evolutionary events across higher taxa and large spans of geologic time, or more circumscribed events within smaller clades, have long played a prominent role in evolutionary theory.
The identification of trends in the history of life has been used as evidence for the increasing adaptions of life, for evolutionary progress, and more recently as support for selection at multiple levels.To know more about evolution here
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