Francine is developing a model of the carbon cycle, which involves the movement of carbon among various Earth systems. She begins by drawing the diagram shown below.Her friend Byron evaluates the model, and suggests that she thicken the arrow leading from fossil fuels to the atmosphere. His reasoning is that fossil fuels are being burned at a much faster rate than natural processes are restoring them. A. The model shows that their combined effects determine the amount of solid carbon compounds in the geosphere.
B. The model shows that their combined effects determine the level of carbon dioxide that dissolves in the hydrosphere.
C. The model shows that they have identical effects on carbon dioxide levels in the atmosphere.
D. The model shows that they have opposite effects on carbon dioxide levels in the atmosphere.
Answers
The missing part of this incomplete question is :
How does Francine's model show the effect of photosynthesis and cellular respiration on Earth systems?
Answer:
The correct answer is - option D. The model shows that they have opposite effects on carbon dioxide levels in the atmosphere.
Explanation:
Cellular respiration and photosynthesis are two major processes are involved in the carbon cycle and both have the opposite effect on carbon dioxide levels in the atmosphere.
Photosynthesis uses carbon dioxide from the atmosphere to produce glucose with the reaction with the water whereas cellular respiration produces energy and carbon dioxide that is restored in the atmosphere.
Thus, both the processes have the opposite effect on the carbon dioxide levels in the atmosphere as photosynthesis decreases and cellular respiration increases in the atmosphere.
Related Questions
Why do scientists make a hypothesis before an experiment
Answers
Answer:
Scientists make a hypothesis before an experiment so the can make an educated guess of the outcome before they get one.
Explanation:
The hypothesis is important because it allows scientists to make predictions about the upcomming experiment and then analyze the data after the experiment.
Because the nerve tracts of the spinal cord undergo _, the right side of the brain with the left side of the body, and vice versa
Answers
Answer:
Decussation
Explanation:
Look at the incomplete equation below. What does Ek represent?
Answers
In the given equation, Ek represents the kinetic energy of an object.
Kinetic energy (Ek) is a form of energy associated with the motion of an object. It is dependent on both the mass (m) and the velocity (v) of the object.
The equation Ek = (1/2)m\(v^2\) represents the formula to calculate the kinetic energy of an object.
The symbol "Ek" is commonly used to represent kinetic energy in scientific calculations and equations. By plugging in the values of mass and velocity into the equation, one can calculate the amount of kinetic energy possessed by the object.
The kinetic energy of an object increases with both its mass and velocity. As the mass increases, the object has more particles in motion, contributing to higher kinetic energy.
Similarly, as the velocity increases, the speed at which the object moves also increases, resulting in greater kinetic energy.
Therefore, understanding and calculating kinetic energy is important in various scientific and engineering applications, such as studying the movement of objects, analyzing collisions, or designing efficient systems.
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Question
Look at the incomplete equation below. What does Ek represent?
Ek =----- x m x v2
What did Hamilton smith notice in 1972
Answers
Answer:
that the phage DNA degraded over time.
Explanation:
The variety of organisms within an ecosystem is characteristic of which type of diversity? Genetic diversity b. Ecosystem diversity C. Species diversity d. Regional diversity.
Answers
Answer: c.Species diversity
Explanation: 2020 edge and the other persons is wrong!
Answer: c.Species diversity
Explanation: 2020 edge and the other persons is wrong!
How should food workers
keep garbage cans clean
and free of buildup?
a. Sanitize the cans daily
b. Use plastic liners in the cans
c. Keep food waste in outdoor
dumpsters
d. Apply a pesticide to the bottom of
the cans
Answers
Routinely clean trash cans. Put plastic liners inside the cans to stop drips, crumbs, and other filth from accumulating and luring bugs. Never leave full trash bags lying around your business or on the property; always carry them to the nearest skip.
What is the use for plastic liners?Polyethylene liners, often known as poly bin liners, are a type of plastic liner that can be used in a variety of situations. Bulk bags, boxes, and flexible intermediate bulk containers (also known as FIBCs) are all frequently used with them to add an extra lining and layer of protection. Flexible plastic liners made of polyethylene, often known as "poly liners," are created especially to line the interior of flexible intermediate bulk containers (also known as "bulk bags" or "FIBCs"). As a starting point for production, resin for can liners is employed. Low density polyethylene (LDPE), linear low density polyethylene (LLDPE), and high density polyethylene (HDPE) are the three distinct resin types utilised to make can liners.To learn more about plastic liner, refer to:
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Food workers can keep garbage cans clean and free from buildup by sanitizing the cans daily, using plastic liners in the cans, and moving food waste to outdoor dumpsters. Applying pesticide is not recommended.
Explanation:Food workers can keep garbage cans clean and free from buildup by employing a few practical measures.
Sanitizing the cans daily: This could involve washing the cans with hot soapy water and a brush to remove any residual waste and then applying a sanitizer/disinfectant.Using plastic liners in the cans: This helps to prevent direct contact of waste with the can, reducing chances of buildup and making the cans easier to clean.Moving food waste to outdoor dumpsters: Although this could help in reducing odor and pest problems in food service areas, one should also ensure these outdoor dumpsters are correctly handled and cleaned.Applying pesticide to the cans is not generally recommended as it could potentially contaminate food products if not used properly.
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Select the correct labels on the image.
Which organelles in a plant cell are involved in converting food to energy during cellular respiration?
Membrance
Golgi
apparatus
Chloroplast
PLANT CELL
Rough
endoplasmic
reticulum
Cell wall
Ribosomes
O
Cytoplasm
Vacuole
Mitochondrion
Perixosome
Nucleus
Answers
Answer:It Mitochondrion
Explanation:
explanation: cellular respiration is a processes that begins in the cytoplasm/cytosol and ends in the mitochondrion. it takes sugars made by photosynthesis and breaks them down in a multi-step process to yield ATP/cellular energy. the anaerobic processes occur in the cytosol and the aerobic processes occur in the mitochondrion!
1 What does the codon sequence on the mRNA strand determine?
A The gene sequence of the DNA
B The amino acid sequence of the polypeptide
C The codon that is signaled
D The signaling sequence
2 What portion of the DNA is also known as a gene?
A The coding sections
B The non-coding sections
C The mRNA strand
D The polypeptide sequence
Answers
1. The correct answer is B.
2. The correct answer is A.
The codon sequence on the mRNA strand determines the amino acid sequence of the polypeptide.
The coding section is the portion of the DNA that is also known as a gene. Genes are the functional units of DNA that provide the instructions for making proteins. They are composed of coding cells, also known as exons, that contain the information needed to build the polypeptide, and non-coding sections, also known as introns, that do not.
The codon sequence on the mRNA strand is translated by the ribosome during protein synthesis. Each codon, which is a sequence of three nucleotides, corresponds to a specific amino acid. The ribosome reads the codon sequence on the mRNA strand and adds the corresponding amino acids to the growing polypeptide chain. This process is called translation.
In DNA, genetic information is encoded in the sequence of nucleotides, which are the building blocks of DNA. Genes are specific segments of DNA that contain the instructions for making a specific protein. These instructions are encoded in the sequence of nucleotides within the coding sections of the DNA, also known as exons. The non-coding sections, also known as introns, do not contain instructions for making proteins, but they play important roles in the regulation of gene expression.
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Q1: Describe Isotonic fluids and give its examples. Also
write their indications and contraindications.
Answers
(I would appreciate a Brainliest rating if this helped you)
Answer:
Describe Isotonic fluids:
♦ Isotonic fluids are solutions that have the same concentration of solutes as the body's fluids, specifically the blood plasma. This means that when isotonic fluids are administered into the body, they do not cause any change in the osmotic pressure across cell membranes and do not cause any net movement of water into or out of the cells.
Examples:
♦ Some examples of isotonic fluids include normal saline (0.9% NaCl), lactated Ringer's solution, and 5% dextrose in water (D5W).
Indications:
♦ Isotonic fluids are commonly used in medical settings to maintain or replenish fluid and electrolyte balance in patients. Indications for the use of isotonic fluids include dehydration, hypovolemia (low blood volume), electrolyte imbalances, and shock. They are also used during surgeries and blood transfusions to replace lost fluids.
Contraindications:
♦ There are certain situations where isotonic fluids should be avoided or used with caution. Contraindications for the use of isotonic fluids include congestive heart failure, pulmonary edema, and renal failure, as they may exacerbate these conditions. Additionally, isotonic fluids may not be appropriate for patients who require fluid restriction, such as those with certain kidney or liver conditions.
The energy given off by burning fossil fuels can be measured in
A) Joules
B) calories
C) Hertz
D) electronvolts
Answers
Answer:
A
Explanation:
A
Answer:
A
Explanation:
Joules are used to measure energy
How is selective pressure related to evolution?
A. Selective pressure can be a driving force of evolution.
B. Selective pressure is the same as evolution.
C. Selective pressure ensures that evolution has an end product.
D. Selective pressure causes evolution to proceed randomly.
Answers
Selective pressure can be a driving force of evolution; option A.
What is selective pressure?Selective pressure refers to external forces which affect an organism's ability to survive in a given environment.
Selective pressure can either decrease or increase the occurrence of a trait.
Therefore, selective pressure can be a driving force of evolution.
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Because Ambien is in Schedule V, you know that the substance
O has a very low LD50
O is poisonous
Oin not useful as a medication
O is lower risk for abuse and usable without a doctor's supervision
Answers
The fact that Ambien is on Schedule V means that it is at lower risk for abuse and usable without a doctor's supervision. Therefore, option (D) is correct.
When compared to drugs in higher schedules, chemicals in Schedule V are thought to have a lower chance of being abused. This means that there are known medical benefits to Ambien and that sleep problems can be treated with it with a prescription from a doctor.
It doesn't mean that the material is naturally toxic or that it has a very low LD50. It also doesn't mean that it can't be used as a medicine.
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An illustration of a cell interacting with its environment is provided.
The illustration best represents which of the following ?
A.Water moving into a cell by the process of osmosis
B.Passive transport of solute into the cell by diffusion
C.Active transport of solute into the cell using energy
D.Water leaving the cell by the process of osmosis
Answers
In the cell, there is passive transport of solute into the cell by the process of diffusion. So the correct option is B.
What is diffusion?Diffusion is a phenomenon that happens when molecules move randomly and results in a net movement of matter from a high concentration area to a low concentration area. The scent of a flower that swiftly fills a room's quiet air is a common illustration.
Thermal energy is transferred or diffused from a higher to a lower temperature through the process of heat conduction in fluids. In order for a nuclear reactor to function, neutrons must diffuse through a material that frequently scatters them but only sometimes absorbs them.
It is discovered that the concentration gradient is proportional to the rate of flow of the dispersing material. If c is the substance's concentration, x is perpendicular to this reference area, and D is the constant of proportionality, then j = D(dc/dx); dc/dx is the rate of growth of concentration in the direction x, and the minus sign denotes that the flow is from higher to lower concentration. The diffusivity, or D, controls the rate of diffusion.
Therefore, the correct option is B.
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the scottish fold is a breed of cat with a mutation in a gene involved in cartilage development. the result is that each ear of the cat has a crease, so the ears fall forward and lie against the head instead of standing up like the ears of most small cats. the mutation is a dominant allele.
a cat that is heterozygous for the fold allele mates with a cat that is homozygous for the fold allele.
what are the expected percents of offspring that will have each characteristic?
Answers
The expected percent of offspring of the Scottish fold with folded ears is 75%.
How to determine offspring?The Scottish Fold is a breed of domestic cat with a natural dominant gene mutation that affects cartilage throughout the body, causing the ears to "fold", bending forward and down towards the front of the head, which gives the cat what is often described as an "owl-like" appearance.
The fold is inherited as an autosomal dominant trait. This means that a cat with folded ears may have either one (heterozygous) or two copies (homozygous) of the dominant fold gene (Fd). A cat with normal ears should have two copies of the normal gene (fd).
If a cat that is heterozygous for the fold allele mates with a cat that is homozygous for the fold allele, the expected percent of offspring that will have each characteristic are:
25% will be homozygous for the fold allele and will have folded ears.50% will be heterozygous for the fold allele and will have folded ears.25% will be homozygous for the normal allele and will have normal ears.Therefore, the expected percent of offspring with folded ears is 75%.
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Which of the following concepts makes it legally right to reproduce a substantial portion of the works of another person with permission?
Answers
The concept that makes it legally right to reproduce a substantial portion of the works of another person with permission is Copyright. Option A
What is copyright all about?The concept of copyright grants the creator of an original work the sole rights to its use and distribution, usually for a limited time, with the intent of enabling the creator to receive compensation for their intellectual effort.
When someone else wishes to reproduce a substantial portion of those works, they must usually get permission from the copyright holder.
This permission can take the form of a license or contract that outlin the tems under which the work can be used.
The above answer is in response to the full question below;
Which of the following concepts makes it legally right to reproduce a substantial portion of the works of another person with permission?
A. Copyright
B. Fair use
C. Freedom of information
D. Intellectual freedom
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6. Explain why some individuals experience
discomfort when they drink milk but can
tolerate yoghurt. (5 marks)
Answers
Answer: Yogurt has less lactose than most dairy products. Everyone responds to dairy differently, so a persons tolerance may be different than another person who’s also lactose intolerant.
Explanation:
Mark this and return
How is energy related to the change of state
represented by the model?
O Atoms gain energy as a gas changes to a solid.
Atoms gain energy as a gas changes to a liquid.
Atoms lose energy as a gas changes to a solid.
Atoms lose energy as a gas changes to a liquid.
Answers
The energy is related to the change of state represented by the model by: D. Atoms lose energy as a gas changes to a liquid.
What is Atoms?A model of the transition from a gas to a liquid is shown in the accompanying image. It demonstrates how atoms or molecules change from being widely scattered as in a gas to being concentrated as in a liquid.
The atoms in this process move from a higher-energy state to a lower-energy state releasing or losing energy in the process. The most common kind of energy loss is heat.
Therefore the correct option is d.
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Yosef is studying the ocean floor and the technology used in marine science research. How would Yosef BEST describe the contributions submarines have made to our understanding of marine science?
A.
Submarines proved Archimedes’ law of buoyancy.
B.
Submarines made it possible to predict earthquakes.
C.
Submarines made it possible to predict tsunamis.
D.
Submarines allowed for the discovery that the plates of the ocean were spreading apart.
Answers
Yosef BEST describe the contributions submarines have made to our understanding of marine science as, submarines allowed for the discovery that the plates of the ocean were spreading apart. Option D is correct.
Submarines have greatly contributed to our understanding of marine science through their ability to explore the depths of the ocean. The discovery that the plates of the ocean were spreading apart was made possible by the use of submarines to study the ocean floor. Submarines have also been used to study marine life, geology, and the chemical and physical properties of the ocean. They have allowed scientists to collect data and samples from areas that would be difficult or impossible to study using traditional methods, leading to new discoveries and insights into the ocean's complex systems. Hence, option D is correct.
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How did Dr. Steen Willadsen clone mammals?
A) He took an embryo and split it to produce identical twins.
B) He transplanted the nuclei of adult cells into donor egg cells.
C) He transplanted the nuclei of embryos into donor egg cells.
D) He transplanted the nuclei of adult cells into the cells of an embryo.
Answers
Answer:
B
Explanation:
The adult is fully developed so the genetics could pass on
match the types of receptors or terms with the most appropriate descriptions or functions. use each answer only once.
Answers
The sorts of receptors or terminology with the most relevant descriptions or functions serve as the stimulus action site.
What does a stimulus mean in biology?Whatever can cause a bodily or behavioral change is referred to as a stimulus. Stimuli is a plural form of stimulus. Both external and internal stimuli are possible. Your body's response to medication is an illustration of an external stimulus. Your vital signs altering as a result of a change in your body is an illustration of an internal stimulus.
What is an illustration of a stimulus-response?Example of a stimulus or a reaction: You immediately remove your hand from anything that is hot if you contact it by accident. Withdrawing your hand in response to the stimulus—the heat of a hot object—is your body's reaction.
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The age of material on a tectonic plate depends in part on what type of crust it is composed of. 1)_____ tends to be younger because it is continually produced at the
2)______ and then recycled. On the other hand, 3)_______ tends to be older because it can often remain intact for longer periods.
Fill In Blanks
1) Ocean floor
Oceanic Crust
Continental Crust
2) Deep sea Vents
Hot spots
Mid oceanic ridges
3) Continental crust
Oceanic Crust
Ocean Floor
SOMEONE HELP PLEASE AMD FAST!
Answers
Continental crust, Oceanic Crust, Lithospheric Plate The age of material on a tectonic plate depends in part on what type of crust it is composed .
What is Oceanic Crust?
Oceanic crust is the outermost layer of the Earth's lithosphere which forms the ocean floor. It is composed of mafic igneous rocks such as basalt and gabbro. It is typically 5 to 10 km thick and is the youngest layer of the Earth's lithosphere.
Oceanic crust is formed by seafloor spreading at mid-ocean ridges, which occur when two tectonic plates are pulling apart from each other. This causes molten material from the mantle to rise up and cool, forming new oceanic crust. The newly formed crust then moves away from the mid-ocean ridge in both directions, forming a diverging boundary. As it moves away from the ridge, the oceanic crust cools and becomes denser and denser.
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If we wanted to specifically restore a portion of a river to make it a better spawning habitat for salmon, what do managers need to consider on:
Small/short scales of space/time?
Large/long scales of space/time?
Answers
To specifically restore a portion of a river to make it a better spawning habitat for salmon, the managers need to consider on Small/short scales of space/time:
River morphology.Water quality.Benthic habitat.Flow regimeconsideration on Large/long scales of space/time:
Land use practices.Climate change.Long-term monitoring.CollaborationOn small/short scales of space and time, managers need to consider the following factors when restoring a portion of a river to make it a better spawning habitat for salmon:River morphology: The shape, structure, and flow of the river can impact the suitability of the habitat for salmon. Managers need to assess the current state of the river and determine if changes are necessary to improve habitat quality.Water quality: Salmon need clean, cool, and well-oxygenated water to thrive. Managers need to monitor and address any water quality issues that may impact the health of salmon, such as excessive nutrients, pollutants, or changes in temperature.Benthic habitat: The type and quality of the substrate (i.e., river bottom) in the river can impact the ability of salmon to lay their eggs. Managers need to assess the current benthic habitat and determine if changes are necessary to improve it.Flow regime: The timing, frequency, and magnitude of river flows can impact the ability of salmon to access suitable spawning habitats. Managers need to assess the current flow regime and determine if changes are necessary to improve habitat quality.On large/long scales of space and time, managers need to consider the following additional factors:
Land use practices: Land use practices in the watershed can impact the water quality, flow regime, and benthic habitat of the river. Managers need to consider the impact of activities such as agriculture, urbanization, and resource extraction on the river and determine if changes are necessary to improve habitat quality.Climate change: Climate change can impact the water quality, flow regime, and benthic habitat of the river. Managers need to consider the potential impacts of climate change and plan accordingly to ensure that the habitat remains suitable for salmon in the future.Long-term monitoring: Managers need to implement long-term monitoring programs to assess the effectiveness of the restoration efforts and make any necessary adjustments over time.Collaboration: Restoring a portion of a river to make it a better spawning habitat for salmon can be a complex and expensive process that requires collaboration among multiple stakeholders, including government agencies, private organizations, and local communities. Managers need to build partnerships and develop a shared vision for the future of the river to ensure that the restoration is successful.
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Farmers may not select the DMC approach because of its short adaptation period.
True
False
Answers
Answer:
True
Explanation:
i took the test and it was right
Where do the building blocks of proteins come from?
Answers
Answer:
The building blocks of proteins are amino acids, which are small organic molecules that consist of an alpha (central) carbon atom linked to an amino group, a carboxyl group, a hydrogen atom, and a variable component called a side chain (see below).
Answer:
proteins are made from amino acids
proteins most likely come from animal based food
Explanation:
amino acids are small molecules that make together as a group a protein molecule
What if these groups is the smallest of the classification
Answers
can anyone please tell why the bell jar is covered with black cloth in test for carbon dioxide ?
Answers
Answer:
To test
Explanation:
test
Why is it difficult to get people to follow regulations protecting a common?
Most people are not directly impacted by polluting a common.
People care more about money than the welfare of others.
The rules are too strict and prevent meeting basic needs.
Common area resources belong to everyone.
Answers
Answer:
I think it is...
A. Most people are not directly impacted by polluting a common.
Hopefully, this helps you!!
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A lot of rules are dangerous, unnecessary, a violation of personal liberties, inconvenient, and more often than not, only serve to line the pockets of filthy politicians. The rules are too strict and prevent meeting basic needs. Thus the correct option is C.
What is personal liberties?The personal liberty is the freedom of the person to do as he pleases limited only by the authority of politically organized society to regulate his action to secure the public health, morals, safety.
Rules should be convenient to the people and there should be alternate options, if person do not follows that rules in a country such as warnings for the first time and should give proper time to implementation on regulation.
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which two statements correctly relate RNA amino acids , and proteins
Answers
The two correct statements that relate RNA, amino acids, and proteins are C and D.
RNA, Amino acids, and ProteinsRNA is used to build the amino acid sequence: RNA molecules, specifically messenger RNA (mRNA), serve as templates for protein synthesis. During a process called translation, the sequence of nucleotides in mRNA is read by ribosomes, and the corresponding amino acids are assembled in a specific order to form a protein.
Long amino acid sequences fold in a specific way to form proteins: Proteins are composed of long chains of amino acids. After the amino acids are synthesized and linked together, the resulting chain folds into a three-dimensional structure, which is critical for the protein's function. This folding process is driven by various interactions between the amino acid residues in the chain, allowing the protein to adopt its specific shape and perform its specific function.
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What is the formula for nitric acid?
Answers
Answer:
Explanation:
Hydrogen nitrate I believe
The chemical formula for the substance nitric acid is HNO₃. Based on the information from this chemical formula, this means that one single molecule of this substance nitric acid contains a covalent bond of one atom of hydrogen, one atom of nitrogen, and three atoms of oxygen. I hope I helped answer your question. Have a great day! Take care! :) :) :) :)
Which of the following statements supports the theory of endosymbiosis?
Mitochondria have circular DNA like bacteria.
Mitochondria can only replicate when cells do.
Mitochondria have more genes than nuclear DNA.
Mitochondrial DNA is an exact match to nuclear DNA
Answers
The statements supports the theory of endosymbiosis mitochondria have circular DNA like bacteria.
The first option is correct.
What is the theory of endosymbiosis?
The theory of endosymbiosis is a presumption that an endosymbiosis occurred between the early life forms which indicates that this form of symbiosis involves a larger cell that serves as a host and a smaller cell that is referred to as an endosymbiont.
In the endosymbiotic theory, it postulated that the larger cell engulfed or took in the smaller cell where in the larger cell represents the eukaryotic cell of today whereas the smaller cell is the prokaryotic cell.
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