A mineral is classified as an ore as long as

a. it's rare and valuable

b. it can be used for jewelry

c.it profitable and useful

d.it's solid and natural

​

Answer:

cell proliferation, cell specialization and cell interaction

Explanation:

Answer: 1, Its cells get larger in size. 2, Its cells take in water and nutrients. 3, The number of cells in its body increases.

Explanation: When you grow your cells get bigger in size. They also take in more water and nutrients in order to keep growing. And would cause the cells to keep multiplying so you can keep growing.

The following statement which supports the claim that the lungs carry out their activities as a result of the integrated activity of their tissues is that Elastic connective tissue allows the lungs to expand and contract, which helps oxygen move through capillary endothelial tissue into the bloodstream which is denoted as option A.

This is referred to as a pair of organs in the chest that supplies the body with oxygen, and removes carbon dioxide from the body.

The elastic tissues present in the lungs is what makes it to expand and contract when breathing occurs thereby leading to the movement of oxygen into the body cells.

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Answer:

7 protons and 9 neautrons

Explanation:

neautrons = atomic mass - atomic number

16-7= 9

protons= number of electrons= number of protons (this can be seen in the atomic number)

Answer: because the flow of intracellular metabolic components depends on the availability of carbon

Explanation: The response indicates that if the mutation interferes with glucose breakdown, less ATP will be available to the cells. The change in ATP availability will reduce the growth rate and population size of the bacteria , and since it is considered as model organism due to various factors such as its ability to grow fast using cheap media and availability of molecular tools to perform genetic manipulations it is termed as useful indicator

The genotype of the F1 offspring is YyTt, and the phenotype is yellow and tall. The probability of each phenotype in the F1 offspring is as follows yellow and tall is 1/2 or 50%, green and short is 1/2 or 50%.

Genotype refers to the genetic makeup or combination of alleles present in an organism, while phenotype refers to the observable traits or characteristics expressed by an organism. Genotype represents the genes an organism carries, while phenotype represents the physical or observable features resulting from the interaction between genotype and the environment.

When a heterozygous ail yellow plant (genotype Yy) is crossed with a homozygous short green plant (genotype tt), the F1 offspring will have the genotype YyTt and the phenotype of yellow and tall. The probability of this phenotype occurring in the F1 generation is 50%. Additionally, there is a 50% probability of the F1 offspring having the phenotype of green and short.

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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.

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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Epistasis is a non-allelic gene interaction in which one gene at a particular locus conceals the expression of another, hence option D is correct.

The gene that suppresses the expression of a different non-allelic gene is hypostatic to the gene that conceals its expression.

Epistasis is a term used in genetics to describe the non-additive contribution of two or more distinct gene loci to the same trait. Epistasis is frequently defined as the phenotypic modification or masking of a second gene locus by a first gene locus.

The term "epistasis" refers to a situation in which the expression of one or more other genes modifies (e.g., masks, inhibits, or suppresses) the expression of a particular gene.

Therefore, a non-allelic gene interaction in which one gene at a particular locus conceals the expression of another, hence option D is correct.

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Answer:

tone

Explanation:

theme is the main topic discussed in the poem

The shooting star occurs in the mesosphere, which is the layer of the atmosphere above the stratosphere and below the thermosphere.

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Answer:

C. Increasing the amount of oxygen in the tank

Explanation:

If the fish are struggling or we see that they are going near the surface to breathe, that could indicate that there is not enough oxygen for the fish to breathe easily at all depths of the aquarium tank. By increasing the amount of oxygen present inside the tank we will assure that the fish have enough oxygen to live well. Not too much since too much oxygen can be bad for the fish.

The organisms that feed on dead and decaying matter are called Saprotrophs.

An organism that feeds on dead and decaying organic matter is called a saprotroph. These organisms are heterotrophic, which means that they obtain their food from other sources. They are important in the ecosystem because they break down dead organic matter and recycle it back into the soil, making nutrients available to other living organisms

Answer:

A. Saprotrophs

Explanation:

Saprotrophs are organisms that obtain their nutrients by feeding on dead and decaying matter. They play a crucial role in the ecosystem by decomposing organic material and recycling nutrients back into the environment.

These organisms secrete enzymes that break down complex organic compounds into simpler substances, such as sugars and amino acids, which they can absorb and utilize for their own growth and energy needs. Examples of saprotrophs include fungi (such as mushrooms and molds) and certain bacteria.

Unlike autotrophs, which can produce their own food through photosynthesis or chemosynthesis, saprotrophs rely on external sources of organic matter for their nutrition. They actively decompose dead plants, animals, and other organic materials, aiding in the process of nutrient recycling and decomposition.

Heterotrophs, on the other hand, are a broader category of organisms that obtain their nutrients by consuming other living or dead organisms. This includes saprotrophs, as well as other types of organisms such as herbivores, carnivores, and omnivores.

Parasites, meanwhile, are organisms that live in or on other organisms, known as hosts, and obtain their nutrients from the host while causing harm or damage to it. Unlike saprotrophs, parasites typically rely on a living host for their sustenance rather than feeding on dead and decaying matter.

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The long, bushy tail of the raccoon may be a selective advantage for this species because the bushy tail helps keep the face warm during a snowstorm (Option d). In addition, it may serve as camouflage and also may act to communicate with other members of the population.

An evolutionary selective advantage is a feature in a species that confer an advantage to survive and reproduce in a particular environmental condition, which may be associated such as in this case to the tail in raccoons.

Therefore, with this data, we can see that an evolutionary selective advantage is any phenotypic feature that enhances the survival and or reproductive rate of individuals in a population or species.

Complete question:

The opossum is a new arrival in southern Ontario. Its niche is similar to that of the raccoon. An opossum has a long, bare, rat-like tail. A raccoon has a long, bushy tail. How is this a selective advantage for the raccoon?

selective advantage only applies to populations

the opossum  tail can grab onto a tree for balance

tail fur does not have an impact on survival

the bushy tail helps keep the face warm during a snowstorm

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Overall, the population shift in South Africa has had a negative impact on agriculture, leading to a decline in the sector and decreased food security for rural communities.

Population refers to the total number of individuals of a particular species or group living in a specific area or region. In the context of human populations, it refers to the number of people living in a particular geographic area or country. Population can also refer to subgroups within a larger population, such as age groups, ethnic or racial groups, or socioeconomic groups. Population can be measured and analyzed in various ways, including through demographic data such as birth and death rates, migration patterns, and population density.

Here,

Over the past 50 years, there has been a significant population shift in South Africa, with many people moving from rural areas to urban areas in search of better economic opportunities, education, and healthcare. This trend is known as urbanization and is a common phenomenon in many developing countries.

As people move from rural areas to urban areas, the population density in urban areas increases, while rural areas become less populated. This population shift has had a significant impact on agriculture in South Africa. As more people move to cities, there is less demand for agricultural products, leading to a decline in the agricultural sector. This has resulted in the loss of agricultural land, reduced productivity, and decreased food security for rural communities.

In addition, the population shift has also led to changes in land use. As urban areas expand, they often encroach on agricultural land, leading to land fragmentation and reduced agricultural productivity. This can also lead to conflicts between urban and rural communities over land use and resource allocation.

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Answer:

Committees are an essential part of the legislative process. Senate committees monitor on-going governmental operations, identify issues suitable for legislative review, gather and evaluate information, and recommend courses of action to the Senate.

Explanation:

Answer:

yes

Explanation:

The moon rotates around Earth, this continuous motion is mainly controlled by the gravitational attraction between the Earth-Moon.

It is the force of gravity that pulls objects having mass towards each other, due to this force our body keeps on the ground.

The gravitational attraction keeps them in orbit inside the Earth–Moon system approximately the common center of mass, a point approximately, 4670 km from the center of the Earth.

Therefore, due to gravitational attraction, constant motion is mainly controlled.

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Viruses are contagious organisms that exhibit both living and nonliving traits. The ability to replicate and mutation are two aspects of life that viruses possess, but only in living host cells.

A mutation is a change to an organism's DNA sequence. Errors in DNA replication during cell division, exposure to mutagens, or viral infection can all cause mutations. Somatic mutations (which happen in body cells) cannot be passed on to offspring, whereas germline mutations (which happen in eggs and sperm) can. Our cells are constantly undergoing mutations, yet very few of these have any negative effects on our health. Compared to what we typically see in science fiction movies, this is completely different.

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The structure that is consisted of a primary oocyte that is surrounded by several layers of cuboidal cells called granulosa is follicles. In the attached picture, it's the structure with the label "B".

A follicle is a spherical group of cells that enclose a cavity and contains some materials in it. An ovarian follicle is a structure in a woman's body anatomy that looks like a small, fluid-filled sac. It's located in the ovary and contains one immature egg in it. The follicles is consisted of a primary oocyte surrounded by granulosa.

There are thousands of follicles in a woman's body. When an egg matures, the follicle that contained it breaks open and releases the egg from the ovary.

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Answer:

it will be third no. that is The same carbon moves from one sphere to another throughout the same time

The correct answer is D, Shelter,

Answer: The A, B, and Rh antigens are located on the surface of red blood cells.

Explanation:

When teaching Processing, it is essential to design and organize learning experiences that align with local circumstances and provide practical applications.

Here is a suggested approach for teaching Processing, including traditional processing of raw materials, metal processing, and food processing, considering local circumstances:

1. Introduction and Contextualization:

Start by introducing the concept of processing and its importance in various industries. Provide examples of local raw materials, metals, and food products that undergo processing. Discuss the significance of processing in the local economy and its impact on society.

2. Field Trips and Industry Visits:

Arrange field trips to local processing facilities such as factories, mills, or food processing plants. These visits offer students firsthand exposure to different processing techniques and machinery. Encourage students to observe and interact with professionals in the field, asking questions and understanding the practical aspects of processing.

3. Hands-on Workshops:

Organize hands-on workshops where students can engage in practical activities related to processing. For example, set up a metalworking workshop where students can learn basic metal processing techniques like cutting, shaping, and welding. Provide guidance on safety measures and proper tool usage.

4. Local Case Studies:

Explore local case studies of successful processing businesses or initiatives. This could involve inviting guest speakers from local processing companies or inviting entrepreneurs who have started their own processing ventures. Students can learn about the challenges, opportunities, and sustainable practices in the local processing industry.

5. Project-Based Learning:

Assign project-based tasks that allow students to apply their knowledge of processing. For example, students could design and develop a prototype for a food processing machine or propose innovative methods to improve traditional processing techniques using local resources. Encourage creativity, critical thinking, and problem-solving skills throughout the project.

6. Community Engagement:

Encourage students to engage with the local community by organizing outreach programs related to processing. This could involve organizing workshops for local artisans or collaborating with local farmers to develop value-added food products. Such activities foster a sense of social responsibility and provide students with real-world experiences.

7. Assessment and Reflection:

Regularly assess student understanding through quizzes, assignments, and presentations. Encourage reflective practices where students can evaluate their own learning journey and identify areas for improvement. Incorporate feedback mechanisms to continuously enhance the learning experiences.

By designing learning experiences that incorporate field trips, hands-on workshops, local case studies, project-based learning, community engagement, and reflective practices, students will develop a holistic understanding of processing and its significance in their local context. This approach will equip them with practical skills, foster creativity, and promote an entrepreneurial mindset, preparing them for future opportunities in the processing industry.

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Answer:

Industrial expansion and population growth radically changed the face of the nation's cities. Noise, traffic jams, slums, air pollution, and sanitation and health problems became commonplace.

Explanation:

We have that some of the problems of America's cities at this time are

Generally, America as every other country has its problems, from international treats to treaties, but there are major issues that need to be tackled and this comprises of problems such as containment, Emission of Greenhouse gases and global warming.

Therefore, some  problems of America's cities at this time are

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Answer:

In areas that have cold winters, some common bird foods, such as nectar and insects, may not be available year-round. Birds that eat those foods must fly south to find food to survive. Other birds that eat seeds or bugs that live under tree bark often hang around, since they can continue to find food all winter long.

The dating performed with carbon 14 is only applicable to materials of organic origin, that is, that contain carbon in their constitution. To determine the age of the Earth, however, this type of dating is not feasible, as rocks are used to do this verification.

Uranium-238, whose half-life is 4.5 billion years, transmutes into lead-206, a stable end-product. Boltwood explained that by studying a rock containing uranium-238, one can determine the age of the rock by measuring the remaining amount of uranium-238 and the relative amount of lead-206.

Carbon 14 is a radioactive isotope of mass number 14, which is assimilated by all plant and animal organisms and is therefore used in fossil dating.

With this information, we can conclude that To determine the age of the Earth, however, this type of dating is not feasible, as rocks are used to do this verification.

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Answer: Rocks are nonliving, so their age cannot be measured using carbon-14. Additionally, the rock is far too old for measuring with carbon-14.

Explanation: sample answer (reliable)

Answer:

were - were

Explanation:

Answer:

Stratosphere

Explanation:

it's correct, trust me lol

Some molecules are too large to pass through the cell membrane without the assistance of a protein channel. The process of molecules traveling along their concentration gradient through protein channels is called facilitated diffusion.

The process of spontaneous passive movement of molecules or ions across a biological membrane by particular transmembrane integral proteins is known as facilitated diffusion.

A form of passive transport is facilitated transport. In contrast to simple diffusion, where substances flow across a membrane without the aid of membrane proteins, substances diffuse across the plasma membrane with the aid of membrane proteins in assisted transport, also known as facilitated diffusion.

Facilitated diffusion is significant because it controls what enters and exits the cell. The cellular component that controls the selective transport of chemicals is the plasma membrane. Facilitated diffusion is illustrated by the movement of amino acids and glucose into cells from the circulation. These molecules are ingested through active transport in the small intestine and then released into circulation.

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Answer: the answer is Electrons

Explanation: