2. LMNO is a parallelogram. If NM = x + 42 and OL = 5x + 6, find the value ofx and then
find NM and ol

The difference between a closed economy and an open economy is that a closed economy has no foreign sector, while an open economy includes a foreign sector.

In a closed economy, there is no interaction with the rest of the world in terms of trade, investment, or financial flows. All economic activities occur within the boundaries of the country, and there is no involvement of foreign entities or transactions. The closed economy does not have a foreign sector because it is self-contained and operates independently from the global economy.

On the other hand, an open economy is characterized by its engagement with the international community. It actively participates in international trade, receives foreign investments, and engages in financial transactions with other countries. The foreign sector in an open economy represents the interactions and relationships with foreign nations, including imports, exports, foreign direct investment, remittances, and more.

Therefore, the correct description of the difference between a closed economy and an open economy is that a closed economy has no foreign sector, while an open economy includes a foreign sector.

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Systems can be found in various domains, such as biology, ecology, society, information, and the physical world. Examples include the nervous system, ecosystems, economic systems, computer networks, and the solar system. Systems consist of interconnected elements working together to fulfill a common purpose.

Systems are structures or sets of interconnected elements that work together to achieve a common purpose. There are various types of systems found in different domains. Here are a few examples:

1. Biological Systems:

  - The nervous system: It includes the brain, spinal cord, and nerves, which work together to transmit signals and coordinate bodily functions.

  - The cardiovascular system: It consists of the heart, blood vessels, and blood, responsible for circulating oxygen, nutrients, and hormones throughout the body.

2. Ecological Systems:

  - Ecosystems: A complex system comprising living organisms (plants, animals, microorganisms) interacting with their physical environment (soil, water, climate) in a specific geographical area.

  - Food webs: Systems that depict the interconnectedness of various organisms in an ecosystem through their feeding relationships.

3. Social Systems:

  - Economic system: A network of individuals, organizations, and institutions involved in the production, distribution, and consumption of goods and services within a society.

  - Political system: Structures and processes through which a society governs itself, including institutions, laws, and decision-making mechanisms.

4. Information Systems:

  - Computer networks: Interconnected devices and communication protocols that enable the exchange of data and information between computers.

  - Database systems: Organized collections of data and software designed to efficiently store, retrieve, and manage large amounts of information.

5. Physical Systems:

  - Solar system: A system consisting of the sun, planets, and other celestial bodies held together by gravitational forces.

  - Climate system: The interactions between the atmosphere, hydrosphere, biosphere, and geosphere that influence long-term weather patterns and climate conditions.

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To answer this question we need to remember a little of the cell cycle and the cell division process. When cell division starts (Prophase) the DNA condensates and forms chromosomes, at this point DNA, has to be already duplicated because when acquires a condensed form it can't be replicated or transcribed. Therefore replication occurs before, this is during the S phase (synthesis) of the cell cycle, previous to any phase of mitosis and meiosis.

Answer:

No, the replication of DNA does not occur during anaphase. DNA replication occurs during the synthetic phase (S phase) of the Interphase.

Answer: D. The Krebs cycle

Explanation:

If oxygen is available, glycolysis is followed by two processes in the mitochondria -- the Krebs cycle and oxidative phosphorylation, respectively -- that further increase ATP yield.

When oxygen is present, glycolysis is followed by

Answer:

D. the Krebs cycle

Answer:

There is a loss in Habit and animals

Explanation:

When deforestation happens its stripping away habitats which leads to a loss of animals. which might lead to a gain in pray since predator's are becoming no existent in that area (or vis, versa). If the this across near a town animals will try to find shelter and move into towns when they can hide and live.

Answer: Here are some factors on why the Carbon Levels are lower in this months. The main factor why is because it's around the summer time, and a lot of plants grow at this time of year. With the more plants grown, the more Carbon is out of the air, and the less levels there are in the air. The second factor why this is happening is because many people are on vacations. They are resting in Florida, or chilling in Italy. You may be like, What? But this is a reason. When they are chilling on the beach, there vehicle isn't in use, and it lowers the levels as more people are doing this. And In these times, people are staying home, so they aren't using their car, which added, increases the carbon rates. And in Winter, the plants die, so the carbon goes up, and cars burn more petrol to keep it in use in the cold, which also increases the carbon levels in the air. I hope this helps. :)

One diagnostic procedure that is useful in the measurement of the biochemical status of various segments of the brain is positron emission tomography (PET). PET is a nuclear medicine imaging technique that uses radioactive tracers to visualize and measure the metabolic and biochemical processes in different regions of the brain.

In PET scans, a small amount of a radioactive substance, called a radiotracer, is injected into the patient's bloodstream. The radiotracer emits positrons, which interact with electrons in the body, resulting in the production of gamma rays. These gamma rays are detected by a ring of sensors surrounding the patient's head, and a computer reconstructs the data to create detailed images of the brain.

PET scans can provide information about brain activity, oxygen and glucose metabolism, neurotransmitter receptor density, and other biochemical processes.

By analyzing the patterns of radiotracer uptake, medical professionals can assess the biochemical status of different brain regions, aiding in the diagnosis and monitoring of various neurological conditions such as Alzheimer's disease, epilepsy, and brain tumors.

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Answer:

chemical energy

Explanation:

During photosynthesis, “producers” like green plants, algae and some bacteria convert light energy from the sun into chemical energy. Photosynthesis produces chemical energy in the form of glucose, a carbohydrate or sugar

Answer:

C. Conditioned

Explanation:

Based on the reaction that the cat is having it seems that the cat has a conditioned response to the carrier being out. This means that the cat has a learned response that is directly associated with a certain stimuli which in this case is the carrier. Since he has a bad experience with the carrier before, he now reacts in a scared manner every time he sees it.

Answer:

C. conditioned

Explanation:

Answer:

Double Helix

Explanation:

Triple-stranded DNA is a DNA structure in which three oligonucleotides wind around each other and form a triple helix. In triple-stranded DNA, the third strand binds to a B-form DNA (via Watson–Crick base-pairing) double helix

Answer:

Mendel discovered the basic principles of heredity through experiments in his   garden.

Explanation:

His experiments showed that the inheritance of certain traits in pea plants follows particular patterns, subsequently becoming the foundation of modern genetics and leading to the study of heredity.

Answer:

he bred pea plants

Explanation:

Mendel bred pea plants and discovered that there are multiple alleles for every gene. some are dominant and others are recessive.

Answer:A. An mRNA molecule is produced in the nucleus. C. The resulting RNA molecule is a complement of the gene on the DNA. D. The RNA molecules contains three nucleotides in a row whose bases form a codon.

Explanation: tRNA and ribosomes aren’t used in protein synthesis until translation. The tRNA molecule sequence is not used in either transcription and translation

The statement that reflects the process of transcription is

It does include:

Hence, A, C and D are correct.

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It is true that When Mendel repeated his pea experiments in beans, he found that the flower color was not determined by a single gene, but rather by multiple genes.

This phenomenon is known as polygenic inheritance, where a trait is determined by the interaction of multiple genes. The color of bean flowers is determined by at least two genes, with each gene having two or more alleles that contribute to the final flower color. This means that the variation in flower color observed in Mendel's experiments was due to the complex interaction of these genes. Therefore, it is true that bean flower color is determined by more than one gene.

True. Mendel's pea experiments focused on traits determined by single genes with distinct dominant and recessive alleles. However, in the case of bean flower color, the variation from white to pale violet to purple suggests that multiple genes are involved in determining the color.

This is known as polygenic inheritance, where the combined effect of multiple genes influences a single trait, resulting in a continuous range of phenotypes. Therefore, bean flower color being determined by more than one gene led to the observed variation in Mendel's bean experiments.

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Answer: The Answer is C

Explanation: I got this correct on the USA Test Prep

Answer:

C

Explanation:

I did it on USATestPrep

Answer:

pls rate as brainliest

Explanation:

DIFFERENCES

Answer:

Urethra

Explanation:

Answer:

The ________ both transports urine outside the body during urination and transports semen to the female reproductive tract during intercourse.

Explanation:

Urethra

Answer:

B

Explanation:

Answer:

yes animals cells also, have the cilia and flagella e.g sperms

The type of competition that arises when wolves live in groups called packs and fight each other whenever they meet is called intraspecific competition.

Intraspecific competition is a struggle for resources between members of the same species. The competition can arise for several reasons, including the need for food, mates, and territory.

An example of intraspecific competition in wolves is when members of a pack fight each other whenever they meet because they are competing for limited resources, such as food or mating opportunities.

Wolves live in groups called packs that are led by an alpha pair of wolves. The alpha pair of wolves, who are usually the most experienced and dominant wolves in the pack, is responsible for leading and protecting the pack. Intraspecific competition can be intense in wolves, especially during the breeding season when wolves are competing for mates and resources.

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Answer:

Ase xual Reproduction

Se xual Reproduction

Ase xual Reproduction

Se xual Reproduction

Ase xual Reproduction

Se xual Reproduction

Does it allow for genetic variation ?

Ase xual Reproduction

Se xual Reproduction

Involves the process of mitosis or meiosis ?

Answer :-As exual Reproduction

Se xual Reproduction

Ase xual Reproduction

Se xual Reproduction

-TheUnknownScientist 72

Answer: Dermis

Explanation: The blood vessels of the dermis provide nutrients to the skin and help regulate body temperature.

Answer:

THE use of energy (usually in the form of ATP) is necessary for the process of active transport to occur.

Energy in form of ATP is necessary for the process of active transport to occur.

Therefore, this means that energy in form of ATP is necessary for the process of active transport to occur.

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Answer:

process of  photosythensis

Explanation:

A mature RNA transcript differs from a primary RNA transcript in several ways, including the presence of a 5' cap and a poly-A tail.

A primary RNA transcript, also known as pre-mRNA, is an initial copy of the genetic information transcribed from DNA. It undergoes several modifications to become a mature RNA transcript. The first major difference is the addition of a 5' cap and a poly-A tail to the mature transcript. The 5' cap is a modified guanine nucleotide added to the beginning of the transcript, which helps protect the RNA molecule from degradation and aids in the binding of the ribosome during translation. The poly-A tail is a string of adenine nucleotides added to the end of the transcript, which also protects the RNA molecule and assists in mRNA stability and export from the nucleus.

Another significant difference is the removal of introns through a process called splicing. Introns are non-coding regions within the primary transcript that do not carry genetic information for protein synthesis. Through splicing, introns are removed, and the remaining exons are joined together to form the mature transcript that contains only the coding regions necessary for protein synthesis.

Furthermore, additional modifications can occur in the mature RNA transcript. These modifications include RNA editing, where specific nucleotides are altered, and alternative splicing, where different combinations of exons can be selected, resulting in multiple possible mature transcripts from a single gene. These processes contribute to the diversity and complexity of gene expression.

In summary, a mature RNA transcript differs from a primary RNA transcript through the addition of a 5' cap and a poly-A tail, removal of introns via splicing, and potential modifications such as RNA editing and alternative splicing. These changes enable the mature transcript to be more stable, capable of efficient translation, and offer increased flexibility in gene expression.

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Niche partitioning facilitate the coexistence of 20 terrestrial bird species investigated in Mohd-Azlan et al dividing resources.

Niche partitioning is a process where species divide resources in order to coexist in a particular habitat. In Mohd-Azlan et al. (2014), niche partitioning facilitated the coexistence of 20 terrestrial bird species by dividing resources. In other words, the birds have found ways to share limited resources such as food and habitat. For example, one bird species may feed on insects while another bird species feed on fruits and seeds.This allows each bird species to access its unique set of resources without direct competition with others.

Another way niche partitioning facilitated coexistence is by using different habitats. For example, some bird species may prefer to inhabit the canopy while others may prefer the understory or ground level. This helps to reduce competition for resources such as nesting sites and food. In conclusion, niche partitioning plays an essential role in facilitating the coexistence of bird species, this is achieved by allowing each species to access resources in a unique way, reducing competition and increasing the likelihood of survival.

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The common ancestor of all mammals may have had other distinctive characteristics that set it apart from modern mammals, which evolved later in time.

Based on the fact that the duck-billed platypus and echidnas lay eggs, it is likely that the common ancestor to all mammals also laid eggs.

This suggests that the ability to lay eggs was a characteristic of the ancestral group from which all mammals evolved.

Additionally, the fact that the platypus and echidnas represent a sister clade to all other mammals indicates that they diverged early in mammalian evolution, before the evolution of most of the other mammalian traits that we see today.

Thus, the common ancestor of all mammals may have had other distinctive characteristics that set it apart from modern mammals, which evolved later in time.

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Answer:

1.) A and D

2.) B

Explanation:

The power he used to move the boxes can be found by determining the rate at which work was done on the boxes. The power of light Chad turned on is the amount of energy transferred per time. So the correct options are A and D. In 2nd, the power used was 6.25 J/s. So the correct option is B.

The watt, denoted by the letter W, is the common unit used to measure power. James Watt, a Scottish businessman and inventor, is honoured with the unit's name. The watt is certainly a term you frequently encounter in daily life. Electrical devices like light bulbs and stereos commonly advertise their power output in watts. One watt is equivalent to one joule of work performed each second by definition.

​Horsepower is another power unit that is still extensively used. This was first used to describe the ability of a regular horse to spin a capstan in the 17th century and is often represented by the sign hp. Since then, a metric horsepower has been defined as the force needed to raise a 75 kg mass a metre in one second, where 75 kg is the mass's weight in kilogrammes.

Therefore, for 1) the correct option is A and D and for 2) the correct option is B.

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Answer:

the awnser is c

Explanation:

They type of microbial growth that was observed on the unclean sponge would best be described as a biofilm

A biofilm is the assemblage of the surface-associated with microbial cells that is enclosed in the extracellular polymeric substance the matrix. the Van Leeuwenhoek, and using his simple microscopes, the first observed microorganisms on the tooth surfaces and can be credited with the discovery of the microbial biofilms.

Bacteria able to grow the adhered to the almost every surface, forming the architecturally complex the communities termed biofilms. In the biofilms, the cells grow in the multicellular and aggregates that are also encased in an extracellular matrix and produced by the bacteria themselves

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