Where do many of the world's deserts lie?

Answer: synthesizing of complex molecules

Explanation:

During the synthesizing of complex substances (catabolism) energy is given off to the body to generate heat within the body

Answer:

I’m concerned about how the dam will affect the water flow in the river, which can affect the behaviors of fish. I’m also concerned that some fish and aquatic animals might get sucked into the dam. Finally, I worry that the dam could malfunction and cause flooding, which could damage the ecosystem.

Explanation:

Top three concerns regarding the hydroelectric dam and the biodiversity of the region

Hydropower can also cause environmental and social problems. Reservoirs drastically change the landscape and rivers they are built on. Dams and reservoirs can reduce river flows, raise water temperature, degrade water quality and cause sediment to build up. This has negative impacts on fish, birds and other wildlife.

Hydroelectric plants alter the natural habitats of freshwater species in the areas they are located. It changes the concentration of nutrients, water temperature, and the river's flow. Downstream river flow suffers a loss of water and silt loads, reducing water quality.

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Answer:

Explanation they written :

The chemical containing a carbon-carbon double bond from the given options is B. C2H4. A carbon-carbon double bond is a chemical bond between two carbon atoms in which two pairs of electrons are shared.

A double bond is a chemical bond in which two pairs of electrons are shared between two atoms, resulting in a shorter and stronger bond than a single bond.C2H6 is ethane, which contains only single bonds, C2H2 is acetylene, which contains a triple bond, while C2H4 is ethene, which contains a double bond. Therefore, the correct answer to this question is B. C2H4 contains a carbon-carbon double bond. Option B is correct.

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If some mice have inherited a genetic mutation that causes them to have a band of white fur around the middle of their bodies, it is most likely that an ancestor of these mice also had the same genetic mutation that caused the band of white fur.

Genetic mutations are changes in DNA sequence that can be inherited by offspring from their parents. If a mutation passed down from the parent to its offspring, then next generations will also have the same mutations. The white fur band presence suggests that the mutation for this trait has been inherited through multiple generations of mice.

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Answer:

Ribozymes:

Explanation:

are catalytically active. And they have RNA molecules or, RNA–protein complexes, in which solely the RNA provides it's catalytic activity.

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The  physiological changes that occur with aging cause stress incontinence. Therefore, the correct option is A, C, E and F.

Aging refers to progressive physiological changes that occur in the body of an organism that leads to senescence.Estrogen deficiency can lead to changes in the tissues of the urinary tract, including the urethra, which can result in decreased support and weakening of the urinary sphincter.

Decreased bladder capacity can result in more frequent and urgent voiding, which can increase the likelihood of incontinence. Unstable bladder contractions can also contribute to incontinence. Finally, weakening of the urinary sphincter, which is responsible for controlling the flow of urine, can lead to stress incontinence.Therefore, the correct option is A, C, E and F.

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The question is incomplete, but most probably the complete question is,

Which physiological changes that occur with aging cause stress incontinence?

(Select all that apply. One, some, or all responses may be correct.)

A. Estrogen deficiency

B. Prostatic enlargement

C. Decreased bladder capacity

D. Decreased sensory receptors

E. Unstable bladder contractions

F. Weakening of the urinary sphincter

G. Confident

H. Study mode

I. Not Sure

Answer:

Explanation:

Enzymes are proteins that act as catalysts. The shape of enzymes can be altered by changes

in pH or temperature. Explain how this change of shape affects the function of the enzyme.

The correct order of respiration is:

Oxygen is absorbed in the lungs and food is absorbed in the gut, The blood transports oxygen and nutrients to individual cells, Oxygen and food pass through the cell membrane and reach mitochondria, Carbon dioxide and water pass through the cell membrane, The blood transports carbon dioxide to the lungs and water is removed from the body.

Respiration is the process by which living organisms produce energy from food molecules. In humans and other animals, respiration occurs in the cells of the body, particularly in the mitochondria, which are organelles responsible for producing ATP, the primary source of energy for cellular processes.

The process of respiration can be broken down into two main stages:

External respiration: This stage involves the exchange of gases (oxygen and carbon dioxide) between the body and the environment.

Internal respiration: This stage involves the use of oxygen to produce energy through cellular respiration.

In summary, respiration is the process by which living organisms produce energy from food molecules. It involves the exchange of gases between the body and the environment, and the use of oxygen to produce energy through cellular respiration.

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Answer:

B. The city park contains fewer natural predators of the red squirrel than the nature reserve.

Explanation:

When compared to a nature reserve a city park really doesn't have any predators apart from some cats or birds. There really isn't much that can challenge the squirrel in order for their numbers to go down. There is no threat from food shortages and no threat from being eaten by larger animals that could live there.

Answer:

the number of trees in the city park may be limited by humans

the nature reserve may be much larger in area than the city park.

increasing human activity in the city park may disrupt mating opportunities.

Explanation:

The carrying capacity of an ecosystem is usually determined by a combination of factors. Examples of such factors include the boundaries of the ecosystem, the climate, the type and amount of resources available, competition for those resources, and predation.

The researcher's experiment showed that, with respect to the red squirrel, the carrying capacity of the city park is much lower than that of the nature reserve. The possible explanations for this difference are numerous but might include statements like

the nature reserve may be much larger in area than the city park,

the number of trees in the city park may be limited by humans, or

increased human activity in the city park may disrupt mating opportunities.

Any or all of these factors may be responsible for the different carrying capacities of the two ecosystems.

Answer:

An increase in temperature leads to an increase in the rate of metabolic function in most fish species. When fish have a higher metabolism, their respiration rate and need for dissolved oxygen (DO) increases and their feeding and digestive habits can change.

Answer:

Environmental Factors Interact with Genes

Environmental factors often influence traits independently of genes. But not always. Sometimes the environment changes a gene—either its DNA sequence or its activity level. Either of these effects can change the proteins that are made from a gene, which in turn affects traits.

Answer:

Nuclear power reactors do not produce direct carbon dioxide emissions. Unlike fossil fuel-fired power plants, nuclear reactors do not produce air pollution or carbon dioxide while operating. However, the processes for mining and refining uranium ore and making reactor fuel all require large amounts of energy

Explanation:

No! uranium doesn't release carbon dioxide when used in a nuclear to release energy.

Answer:

It is converted to chemical energy, so A

Answer:

Divergent boundary—where the new crust is formed as the plates shift away from each other. Convergent boundary—where the crust is broken when one plate dives under another. Turn borders—where the crust is neither formed nor lost as the plates slip horizontally past each other.

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Explanation:

Explanation:

Bones grow in different directions because they need to support the body in different ways. The different directions allow for flexibility and strength.

Answer:

the first graph

Explanation:

invasive species kill off already native ones.

Native plants and animals may go extinct as a result of invasive species, which can also decrease biodiversity, compete with native species for scarce resources, and disrupt ecosystems, hence graph A is correct.

Ecosystems along the coast and in the great Lakes may be severely disrupted, with significant negative economic effects. One species, known as the predator, feeds on another, known as the prey species, in a community.

Each year, these species have the potential to cause significant ecological and economic harm, including crop destruction, and obstruction of waterways and facilities.

Therefore, the community's native predator can be preyed upon by the invasive species that has been introduced,  hence graph A is correct.

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The answer is...

C. congruence

Congruence is a term used by Carl Rogers to describe a state in which a person’s ideal self and actual experience are consistent or very similar.

In the case when one perception of self is close to so it should be personally experienced and it is known as the congruence.

Congruence in psychology refer to the actions that should be performed and treated as the congruent that lies between the  real self and the ideal self.  It is known as the perceived self.

Therefore, based on the above explanation, we can say that In the case when one perception of self is close to so it should be personally experienced and it is known as the congruence.

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Answer: Embryo sac is the megaspore mother cell.

Explanation:

The bisporic embryo sac can be defined as the comprises of the nuclei that is obtained from two units of the megaspore tetrad on the other hand, the tetrasporic embryo sac comprises of four units of  megaspore tetrad. The megaspore mother cell undergoes meiosis to produce megaspore tetrad or four haploid megaspores.

The matching of the layers can be seen in the lines that have been shown below.

Chromosphere: A thin layer of the Sun's atmosphere located above the photosphere and below the corona, characterized by a reddish glow.

Photosphere: The visible surface of the Sun, characterized by a granulated appearance caused by convective motion of gases.

Radiative zone: A region of the Sun's interior where energy is transferred through radiative processes as photons bounce around, taking up to a million years to reach the convection zone.

Corona: The outermost layer of the Sun's atmosphere, extending millions of kilometers into space, characterized by a faint glow and visible during a total solar eclipse.

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When the object is placed on the slide and is in focus for each objective, the space between the slide and the objective lens gets reduce, so the microscope shouldn't be set exact at the edge.

As the objective magnification increases, the working space also increases. Therefore, you need to change it to a higher power target.

Change the focus knob to increase the stage as you look at the objective lens and stage from the side. Without permitting the objective to make contact with the coverslip, increase it as high as it can go. The sample's focus or the condenser and light intensity might need to be arranged.

Thus the accurate way to focus is that adjustments need to be made effectively and smoothly

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Answer:

i cant understand your question define briefly

Explanation:

Genetics are used in legal, criminal cases in order to either prove the guilt or innocence of a particular person. DNA is left at crime scenes that can then be found and tested against people. Genetics might also be used in order to help prove an insanity plea (for example, if the person has a family history of disorders. That's something that can be found with DNA).

The hypothesis that is supported by these observations is that the dsRNA inhibited the translation of mRNA into protein (third option).

In this experiment, the C. elegans worms were transcribing eaf-1 into mRNA but not producing the eaf-1 protein. This phenomenon shows that dsRNA inhibited the translation of mRNA into protein related to the action of E. coli on the worms.

This also explains why the worms affected by this bacteria had fewer offspring and the offspring were smaller.

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Answer:

it may leads to exothermic process in your body and we can die

Answer: We would die

Explanation:

Answer:

Nutrient pollution is the process where too many nutrients, mainly nitrogen and phosphorus, are added to bodies of water and can act like fertilizer, causing excessive growth of algae. Nutrients can run off of land in urban areas where lawn and garden fertilizers are used

Explanation:

Excessive nutrients from fertilizer in runoff often cause excessive growth of which can lead to the creation of dead zones in aquatic ecosystems is known as eutrophication.

This nutrient overload give rise to dense growth of algae, water hyacinth. and Cyanobacteria. When the algae die out, their decomposition by aerobic bacteria (oxygen presence) depletes dissolved oxygen in the surface layer of water near the shore and in the bottom layer.

The biochemical oxygen demand (BOD) is defined as the amount of dissolved oxygen consumed by biological organisms when they decompose organic matter in water.

This oxygen depletion may kill fish and other aquatic animals. If excess nutrients continue to enters into lake,  then anaerobic bacteria take over and produce gaseous decomposition products such as smelly, highly toxic hydrogen sulfide and other flammable methane gases.

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