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Answer:

Fossil fuels pollute the environment. Fossil fuels are non-renewable and unsustainable.

Answer:

disadvantages of fossil fuels to generate electricity

1. Fossil fuels are not renewable energy sources

2. Fossil fuels pollute the environment

3. In the case of irresponsible use, they can be dangerous

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When a high school football player has received a hard direct blow to the abdomen, the thing which indicates internal bleeding is weak rapid pulse, tenderness, guarding or pain in the abdomen.

Thus, the correct answer is 2.

Internаl аbdominаl injuries from blunt trаumа аre serious injuries thаt occur when the body hits or collides with а lаrge object.  These types of injuries аre most common in contаct sports like footbаll, ice hockey, soccer, аnd lаcrosse. The most common Internаl аbdominаl injuries include kidney injury, spleen injury, liver injury, аnd аbdominаl injury. Аbdominаl injury cаn result in injury to the pаncreаs, diаphrаgm, stomаch, gаllblаdder, blаdder, or intestines.

Аn internаl аbdominаl injury cаn cаuse rаpid blood loss. Eаrly indicаtions of аbdominаl trаumа include nаuseа, vomiting, blood in the urine, аnd fever. The injury mаy present with аbdominаl pаin, tenderness, distension, or rigidity to the touch, аnd bowel sounds mаy be diminished or аbsent.

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They require a long time to become exceptionally tall interminably. They give an overhang to conceal the others and give natural surroundings to many living with widely varied vegetation.

Notwithstanding trees, each progressive local area harbors numerous other living things, with the best variety populating the peak local area. Comparative biological zonings happen among marine widely varied vegetation, reliant upon such environmental variables as a base organization, accessibility of light, and level of saltiness.

Particular logging is a more environmentally maintainable practice than clear-cutting, which involves eliminating all trees simultaneously. The thought behind particular logging is to keep lopsided or all-matured timberland of trees fluctuating in age as well as in size and species also.

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Answer:

No help is received in 30 minutes. A person with A type of Blood safely received type O Blood No.

Explanation:

O blood group people in the world is only few left 100 people in blood group O

A co-dominant red gene (O/o) found on the X chromosome determines whether there is a red variation in cat's coat color. This gene encodes pheomelanin. The dominant O allele encodes an orange tone, while the recessive O allele encodes non-orange pigmentation (black or brown).

A cat with a dominant color (black, red, calico, etc.) needs a parent to indicate the dominant color. Her two parents with recessive colors (cream, blue, etc.) cannot produce offspring with dominant colors (black, red, etc.).

Cats inherit half of their genetic makeup from their mothers and half from their fathers. There are 19 chromosomes each, 38 total, the X and Y chromosomes determine sex.

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Answer:

A

Explanation:

Answer: the first one.

Explanation:

It's generally long lived and harmful to living things.

Hope I helped

Explanation:

A heterotroph is an organism that eats other plants or animals for energy and nutrients. The term stems from the Greek words hetero for “other” and trophe for “nourishment.” ... Examples include plants, algae, and some types of bacteria. Heterotrophs are known as consumers because they consume producers or other consumers.

Answer:

true

Explanation:

Answer:They can take less baths or do the dishes by hand easy ways to reduce water usage

Explanation:

Answer:

hooking wire to one terminal battery

Artificial selection is a contrast to natural selection.

Natural selection is the process by which populations of organisms adapt and change. Individuals within a population are inherently variable. In other words, all individuals are different in some way. This variation means that some individuals have traits that adapt better to their environment than others.

Natural selection is the selection process that occurs as a result of an organism's ability to adapt to its environment. Artificial selection, on the other hand, is selective breeding imposed by an external entity, usually a human, to increase the abundance of desirable traits.

Examples of natural selection include : Selection of long-necked giraffes.

Examples of artificial selection include : Breeding different breeds of dogs and cows to produce the desired breed.

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Answer:

A

Explanation:

Answer:

d) the wall

Explanation:

a,b, and c are sources of light and the wall is a object

The two molecules could differ which would explain the difference in their ability to pass through the artificial plant cell membrane because molecule A is smaller than molecule B.

There аre multiple fаcts thаt cаn justify thаt two molecules show the difference in their аbility to pаss through а membrаne:

Different molecules hаve different solubility depending upon the type of molecule аnd membrаne. So, the two molecules could differ which would explain the difference in their ability to pass through the artificial plant cell membrane because of the size of the molecules.

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Answer:

True

Explanation:

I finish e2020! good Lucky

Answer:

Un nucleótido se forma por la unión de una base ___nitrogenada___, un azúcar llamada _____ribosa (en ARN) y desoxirribosa (en ADN)____ y un grupo __fosfato__​.

Explanation:

La información genética utilizada durante la sintesis proteica es almacenada en secuencias cortas de tres nucleotidos llamadas codones de mARN. Cada codon representa uno de los 20 amino ácidos utilizados para construir las proteinas.

Los nucleóticos son subunidades o monómeros compuestos por una molécula de azucar llamada ribosa (ARN) o desoxirribosa ADN), la que se encuentra unida a un grupo fosfato y a una base nitrogenada. La secuencia de nucleóticos en cadena se denomina polímero (compuesto por mas de dos monómeros). Diferentes nucleotidos unidos por sus extremos componen las cadenas de ADN y ARN.

Las bases nitrogenadas que se utilizan para la sintesis de ADN y ARN pueden ser agrupadas en purinas o pirimidinas.

ADN → Formado por bases → Adenina y Guanina → Purinas

                                             → Timina y Citosina → Pirimidinas

Adenina siempre se empareja con Timina, mientras que Guanina se empareja con Citosina.

ARN → Formado por bases → Adenina y Guanina → Purinas

                                             → Uracilo y Citosina → Pirimidinas

Adenina siempre se empareja con Uracilo, mientras que Guanina se empareja con Citosina.

Answer:

chemical

Explanation:

Answer:

biological

Explanation:

Answer:

Carbohydrates - monosaccharides

Proteins - amino acids

Nucleic acids - nucleotides

Lipids - fatty acids (hydrocarbon chains)

Explanation:

There are four major biological molecules called biomolecules in nature namely; carbohydrates, proteins, nucleic acids and lipids. These four molecules form the bedrock upon which life is built. The biomolecules mentioned above are POLYMERS formed as a result of the combination of two or more simpler molecules called MONOMERS in a process called CONDENSATION.

The monomer of each polymeric biomolecule is as follows;

Carbohydrates - monosaccharides

Proteins - amino acids

Nucleic acids - nucleotides

Lipids - fatty acids (hydrocarbon chains)

Natural selection is influenced by environmental factors that limit survival and reproduction, such as hard habitats or mate competition. Selective breeding is referred to as "artificial selection."

Breeding is a natural process of mating between two species, but selective breeding is an artificial process where people intervene and choose specific organisms to mate.

There are three differences between natural selection and selective breeding:

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Scientists may be able to predict which species will become extinct by studying fossils. Fossils can be utilized to reconstruct pedigrees and identify family traits.

Scientists can use fossils to determine the time scale over which traits evolved. Scientists can utilize fossils to learn about the traits of ancient animals. Paleontologists compare the properties of species from different historical eras.

They use this information to try to understand how creatures evolved over millions of years Paleontologists classify fossils using physical characteristics that correspond to the Linnaeus system, and the organism then names the genus and species in Latin. A paleontologist collects as many fossils as possible from a rock or silt.

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Answer: here you go

Also I like burritos

Answer:

Due to mutation of the HBB gene.

Explanation:

This causes a change in amino acids which are the building blocks of proteins.  Therefore the proteins stick together and form a fiber that changes the shape of the red blood cell making them more fragile.

Evidence that supports my explanation

People with Sickle cell anemia cannot contract malaria since they have low surface area for hemoglobin retention.

Relationship between the structure of the red blood cell and it’s function

It has a biconcave shape with a large surface area to increase space for parking hemoglobin.

How  the shape of the red blood cell affect its function in the case of sickle cell anemia

In the case of sickle cell anemia, the shape of the red blood cell becomes sickle like thus reducing the surface area for packing of hemoglobin.

Answer:

1. Translation

2. Ribosome

3. Peptide

4. Amino acids

5. Proteins

Explanation:

tRNA, known as transfer RNA, is a special type of RNA that functions majorly in the translation process where. tRNA reads the codons in the mRNA molecule using its anticodons and carries corresponding amino acids to the growing peptide chain in the ribosome. The amino acids are later used to form proteins.

Based on the above explanation, the answers to the blank spaces in the question are typed in BOLD:

- tRNA is used during TRANSLATION in the organelle named RIBOSOME to form long PEPTIDE chains of AMINO ACIDS which are then sent on to be folded and formed into PROTEINS.

Answer:

I think its B

Explanation:

I DK if I'm right bc I'm stuck on the same question

just get one wrong and if you get everything else right, it won't matter at all.

Copernicus's Heliocentric Model

Copernicus’s Heliocentric Model, This is known as the Heliocentric model where the Sun is placed at the centre of the universe (hence, the Solar System) and the Earth is, like all the other planets, orbiting it.The measurements were taken using the Michelson Doppler Imager (MDI) onboard NASA’s Solar and Heliospheric Observatory (SOHO). They calculated the radius of the Sun to be 696,342 km (432,687 miles) with a margin of error of only 65 km (40 miles).

Late the locations of the planets and stars: the ancient Greek geocentric model proposed by Ptolemy, Copernicus’ complete heliocentric model, and Brahe’s hybrid of these.

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The Lygaeus mode of sex determination is the A. XY/XX scheme that is determined by the scheme.

The common mode of sex determination: XX/XY. Although the X chromosome is bigger than the Y chromosome and incorporates over 1300 genes, there have to be the presence of a Y chromosome so as for the male phenotype to be expressed. X chromatin in its inactivated shape is gift as a mass towards the nuclear membrane in girls is referred to as Barr frame because it became first named via way of means of Barr and Bertem (1949). These Barr our bodies are found in 40% of girls who're taken into consideration as chromatin wonderful and absent in men who're taken into consideration as chromatin negative.

Thus, the correct option is A.

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Answer:

A. Blood is pumped into the aorta and the pulmonary trunk.

B. All of the above.

C. Through the aortic valve.

D. Resistance, stroke volume and heart rate.

Explanation:

In Human anatomy, cardiac cycle can be defined as a complete heartbeat of the human heart which comprises of sequential alternating contraction and relaxation of the atria and ventricles, therefore causing blood to flow unidirectionally (one direction) throughout the human body.

Generally, the cardiac cycle occurs in two (2) stages;

Diastole : in this stage, the ventricles is relaxed and would be filled with blood.

Systole: at this stage, the muscles contracts and thus, allow blood to be pushed through the atria.

Additionally, the right atrioventricular valve (AV) also referred to as the tricuspid valve is located on the right dorsal side of the human heart. The right atrioventricular valve (AV) comprises of three (3) leaflets (flaps) which opens and closes in order to allow for the flow of blood from the right atrium of the human heart to the right ventricle. Also, the right atrioventricular valve is saddled with the responsibility of preventing blood from flowing backward in the mammalian heart.

In conclusion, the following can be deduced;

A. During the ejection period of the cardiac cycle, the mammalian heart pumps blood into the aorta and the pulmonary trunk.

B. Cardiac output can be defined as the volume of blood that is being pumped by the mammalian heart through the left and right ventricle per unit time (minute).

C. The left side of the mammalian heart in all living organism pumps blood through the aortic valve.

D. The variables the cardiovascular system can alter to maintain blood pressure include the following; resistance, stroke volume and heart rate.

To supply oxygen and remove carbon dioxide, the circulatory and respiratory system works together.

The respiratory system is what aids in breathing in oxygen and breathing out carbon dioxide. The circulatory system is the system that assists in supplying tissues with oxygen from the lungs and in removing carbon dioxide from the tissues by way of the lungs. In this way, both of these processes assist in the supply of oxygen and the removal of carbon dioxide as waste.

The blood that carries waste (CO₂) from the tissue via the heart will first carry the oxygen inhaled to the lungs, where it will be exchanged with the blood. The oxygen will then be sent to the heart, where it will be used to pump oxygen-rich blood to the tissues. Additionally, blood that has lost oxygen will transport waste from the tissue.

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Answer:

glucose (energy) from the sun they store some of it as a starch. I hope this helps you!

Explanation: