Which option is an example of something that can promote sustainable development?
Responses

(A.) having a leaky septic tank

(B.) clearing acres of land to build a home

(C.) using solar panels for heat

(D.) having a large yard

ABG test measures the amount of oxygen and carbon dioxide in your blood.

What is the ABG test?

The arterial blood gas analysis (ABG) examines the ratio of oxygen and carbon dioxide in your blood to determine the health of your lungs. Also measured is the blood's acid-base balance. Your kidneys and lungs strive to maintain a healthy acid-base balance.

The blood oxygen measurement in an ABG test indicates how efficiently your lungs transfer oxygen from the air into your blood when you breathe in. The carbon dioxide measurement indicates the efficiency with which your lungs eliminate carbon dioxide from your blood as you exhale. Carbon dioxide is an acidic byproduct your body produces.

Hence, the arterial blood gas analysis examines the ratio of oxygen and carbon dioxide in the blood.

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Water that the plant use for photosynthesis comes from soil and carbon dioxide comes from atmosphere .

The oxygen released during photosynthesis is from the water. The plants will absorb water as well as carbon dioxide during photosynthesis. after that water is converted into oxygen and sugar . oxygen is released in the atmosphere and sugar is used for energy .

Experiments conducted by Samuel Ruben and Martin Kamen  to identify the procedure of photosynthesis The experiment involved the use of radioactive isotopes to label the water and carbon dioxide absorbed by the plant and match the radioactivity of the oxygen released by the plant to identify its origin.

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we observe variation in a population of lizards with respect to how fast individuals can run. we attempt to select for the ability to run slowly, not quickly. after six generations of selective breeding of only the slowest, the mean running speed of the lizards has not changed.

selective breeding In order to produce kids with more desirable features, selective breeding involves pairing up parents who share specified traits. Various animals and plants have been carefully bred by humans since the beginning of time; one example is the development of more productive agricultural plants.

New plant and animal species with desired features, such as milk-producing cows, can be developed through selective breeding.

chickens that produce large eggs. wheat plants that yield a lot of grain.

The cattle, sheep, pigs, chickens, and other animals that were used to generate the meat that is sold today were carefully bred. Numerous fruits and vegetables have undergone artificial selection in an effort to improve or even generate them. For example, broccoli, cauliflower, and cabbage were developed by selective breeding.

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Answer:

A:Mitochondria have circular DNA molecules that resemble the circular DNA found in prokaryo

Answer: A, C, D

Explanation:

Answer: D

Explanation:

The force driving simple diffusion is , while the energy source for active transport is .the force driving simple diffusion is , while the energy source for active transport is a concentration gradient ATP hydrolysis.

Diffusion is defined as the movement of molecules down a concentration gradient from a higher concentration region to a lower concentration region.

It is also defined as a process caused by random motion of molecules that results in a net flow of matter from a high concentration region.

There are two types of diffusion.

Thus, the force driving simple diffusion is , while the energy source for active transport is .the force driving simple diffusion is , while the energy source for active transport is a concentration gradient ATP hydrolysis.

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Whereas the cytoplasmic and extracellular environment is a region that is known to associate with the cell internally and externally respectively.

The cytoplasmic environment is the internal environment of a living cell that is being surrounded by a semi permeable membrane known as the cytoplasmic membrane.

This membrane is responsible for the inflow and outflow of dissolved material across the.

The extracellular environment of a cell is defined as the external part of the cell which is equally fluid filled.

From the definition, these two environments are constantly in close association with the cell both internally and externally.

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The amount of arable land in each country would help in determining which country has a higher physiological population density.

In the field of social science, physiological population density can be described as the number of people that live per unit area of arable land.

Arable land can be described as a kind of land that is used for the cultivation of crops.

Higher physiological population density would mean that a particular arable area is being used more because it is sustaining the lives of more people.

Between Sri Lanka and Australia, the country using higher arable land will have higher physiological population density.

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Variables are parameters that the feedback system monitors, regulates, or influences.

Receptors (sensors) pick up on the variable's changes.

The effectors are informed to produce a response by control centres (integrators), which compare the variable in reference to a set point. When making decisions, control centres occasionally take into account information than merely the level of the variable, such as the time of day, age, environmental factors, etc.

Effectors carry out the adjustments required to change the variable.

The components of a feedback loop must be able to communicate with one another in order for the loop to work. In certain circumstances, receptors and control centres are the same structures, thus there is no need for various signalling types in that stage of the process, which frequently happens through nerves or hormones.

Example-The amplitude of labour contractions is a wonderful illustration of positive feedback. As the baby settles into place, the cervix is stretched further than usual, which starts the contractions. Until the baby is born, the feedback makes the contractions stronger and more frequent. Following childbirth, the stretching ceases and the loop is broken.

What is homeostasis?

For creatures to survive, homeostasis is extremely important. Resistance to environmental changes is generally considered to be its meaning. Additionally, homeostasis is a self-regulating mechanism that controls internal factors essential for maintaining life.

To put it another way, homeostasis is a process that maintains a constant internal environment despite changes in the external environment.

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sorry if this is late

the answer is D

and il explain why

systemic circulation carries all of the oxygenated blood from your heart and lungs to all your body so the body can function better

pulmonary circulation brings deoxygenated blood into your lugs so your lungs and make it oxygenated again then pumps it back out to your body as oxygenated blood and so on and so on

Aluminium is a substance that has the smallest density as compared to other metals.

Density is defined as the mass per unit of volume of a substance. The symbol used for density is ρ. Mathematically, density is the mass divided by volume.

Iron is a chemical element having the symbol Fe and its atomic number is 26. It is a metal that belongs to the first transition group of the periodic table. The density of iron is 7.874 g/cm³. Gold is an element with the symbol Au and its atomic number is 79. Gold is one of the largest atomic numbers of elements that are present naturally. The density of gold is 19.32 g/cm³. Pure silver is white in colour, lustrous, soft, ductile and malleable, it is a good conductor of heat and electricity. The density of silver is 10.49 g/cm³. It is not a chemically active metal, but when it is reacted with nitric acid and sulfuric acid. The density of aluminium is2.7 g/cm³.

So we can conclude that Aluminium has the smallest density as compared to Iron, Gold and Silver.

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The company will fail because

1- The car is fully dependent on the wind. While driving down the road, there won't always be wind.

2- If the wind suddenly stops in the midst of the road, the car is also stopped.

3- Wind is used as fuel in the car. So the wind's potential strength may not be sufficient to propel the car.

4- No system can ever produce 100% of what is expected.

What do you mean by mechanical energy?

Mechanical energy, also known as kinetic energy or potential energy, is the energy that an object possesses when it is in motion or the energy that an object stores due to its location. Renewable energy is also fueled by mechanical energy. In order to efficiently produce electricity or convert energy, many sources of renewable energy depend on mechanical energy.

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Answer:Proteins are a large complex,molecules that play critical roles in the body.You need protein in your body to repair body cells and make new ones.Also it is important in growth and development in childern and teens.

Explanation:

The type of inheritance pattern that is best described by the illustration is incomplete dominance.

In genetics, incomplete dominance is a situation where one of the alleles that make up a gene exerts a kind of partial dominance on the other allele.

Thus, instead of the phenotypic expression of the gene being that of the dominant allele in heterozygous conditions, a new phenotype that is a mix of the two alleles results.

For example, if A conditions red and is dominant over a which conditions white, an Aa genotype will be red in appearance in a simple dominant/recessive case. In an incompletely dominant situation, a phenotype consisting of a red and white mixture will be formed.

Thus, if a red shorthorn cow mates with a white bull to produce a roan color offspring, the inheritance pattern is incomplete dominance.

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The components of DNA circled in the diagram above determine DNA's physical properties because  A. Glucose and phosphate are linked by hydrogen bonds to nitrogenous bases.

A nucleotide is a small unit that forms nucleic acids, either DNA or RNA. A nucleotide is composed of phosphate and sugar, which may be deoxyribose in DNA or ribose in RNA (always the sugar is a pentose) an one different type of nitrogen base.

In DNA there are four types of nitrogen bases in the nucleotides: Adenine pairs with Thymine by two hydrogen bonds, while Cytosine pairs with Guanien by three hydrogen bonds. In RNA Uracil replaces Thymine and nucleotides form a single strand instead the double helix as DNA.

Therefore, with this information, we can conclude that both DNA and RNA are formed by nucleotides, and whose main components are phosphate, a sugar, a nitrogen bases.

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Answer:

B and C

Explanation:

Answer:

b and c i needed my weekly answered questions but the answer before mine was 100% correct it helped me a lot

Explanation:

Answer:

DNA and histone proteins

Explanation:

The cycle that powers the Sun and any remaining stars is nuclear fusion. When two particles combine, their cores are brought near enough to one another that they merge, producing enormous amounts of energy.

Replicating this interaction on Earth has the potential to produce nearly infinite electricity with essentially zero byproducts from fossil fuels, higher levels of security, and less nuclear waste than splitting.

However, creating what is essentially a miniature star on a planet and maintaining respectable levels of control inside a reactor are not easy tasks. Massive pressures, temperatures, and magnetic fields are all necessary.

The process of nuclear fusion produces massive amounts of energy as two light nuclear cores combine to form a single heavier one.

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Carbon source are Combustion, Respiration.

Carbon sink are Photosynthesis, Ocean absorption and Fossilization.

A carbon sink absorbs carbon dioxide from our atmosphere whereas carbon source are natural or artificial production site of carbon.

Photosynthesis: Forests are carbon sinks that absorb more carbon than they release. They take out carbon from the atmosphere by the process of photosynthesis.

Combustion:  Combustion of fossil fuels is a great source of carbon dioxide. Chemical process in which a substance reacts rapidly with oxygen and gives off heat and CO2 is called combustion.

Respiration:  The respiratory system takes in air from the environment to the lungs and facilitates gas exchange in the lungs and cells. Eventually, it gives out CO2 in the atmosphere.

Fossilization : Formation of fossils from dead plants and animals is a carbon sink.

Ocean absorption: Phytoplankton are the reason that ocean is one of the biggest carbon sinks. These microscopic marine algae and bacteria play a important role in absorbing carbon.

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Answer:

plato/edmentum users you're welcome :)

Explanation:

Acetylcholine is the signaling molecule is most likely responsible for an increase in digestive activity.

As a broad term for molecules that particularly attach to other molecules, "ligand" is frequently used to refer to signaling molecules (such as receptors). The message sent by a ligand is frequently transmitted inside the cell through a series of chemical messengers.

The cholinergic neurons in the brain and gut wall produce ACh, the neurotransmitter. Acetylcholine is a neurotransmitter that is released in the gut in response to luminal stimuli. It controls the flow of gut contents by promoting epithelial ion secretion and muscular activity.

Acetylcholine increases the "push" of food and juice through the GI tract by inducing a stronger contraction of the muscle layer of the digestive organs. Additionally, it increases the production of digestive fluid in the pancreas and stomach.

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Answer:

I have attached a sketch that make your idea clear

Explanation:

One main thing is that bacteria is the lowest one but it mostly fall into the category of heterotrophs but few are autotrophs also. That is the reason they are not producers. Algae are always producers. A few algae have been reported that sometime feed on bacteria in hunger.

The wavelengths of visible light that are being absorbed by the pigment that appears orange in sunlight is blue and violet.

What is a photosynthetic pigment?

A photosynthetic pigment is known as a pigment that is present in photosynthetic bacteria or chloroplasts. It captures the light energy necessary for photosynthesis.

The wave of light on an absorption spectrum that the pigments of a photosynthetic plant absorbs typically affects its appearance to the human eyes.

In light of this, some photosynthetic plants  such as carotenoids have a unique photosynthetic pigment, which makes their leaves to appear orange to the human eyes. Also, since the plant is a carotenoid, the wavelengths of visible light that are being absorbed by this pigment is blue and violet.

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If chickens have 78 chromosomes in their body cells, then the number of chromosomes in a skin cell is 78 in early interphase (diploid), 156 in late interphase (tetraploid) 156 in metaphase (tetraploid), 156 in anaphase (tetraploid) and 78 after cytokinesis (diploid).​

A diploid cell is a cell having two complete sets of homologous chromosomes, i.e. two haploid sets of chromosomes, which occur in a somatic mitotic cell in many organisms. During the interphase, the diploid set of chromosomes is duplicated.

Therefore, with this data, we can see that the cell changes the amount of DNA and set of homologous chromosomes during the cell cycle.

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One example would have been more sunlight then usual because the atmoshphere could have been intoxicating, this would decrease the human population because water is our primary source of nutrients and survival.

Hope that helps.

Answer: B

Sun-Autotroph-Heterotroph-Decomposer

Answer: Reproduction and life cycle. Elephants live in small family groups led by old females (cows). Where food is plentiful, the groups join together.

Explanation:

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The recombinant offspring's characteristics in terms of blossom color and seed morphology are as follows

Red, smooth White and freckled

Due to the fact that they differ from their parents, these are recombinants. Despite having the same genes as their parents, they do not have the same alleles. Every time, there are fewer recombinants than parental types Parents'  \genotypes: RrWw (red , wrinckled)  rrww (white , smooth) (white , smooth) following the crossing: Rrww rrWw

(These two represent the recombinant genotypes)

Recombination frequency is calculated as follows: recombinants / total progeny

= 7+9 / 43+41+7+9 = 0.16

16 m.u. separates the genes.

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