71 POINTS HELP!!!!!!!!!

A magnet can hold a piece of paper to the door of a refrigerator. How does the magnet stick without touching the door?
Group of answer choices

The magnetic force of the magnet can act at a distance.

The magnet induces a magnetic field in the paper.

Gravity attracts the magnet to the door.

Atoms from the magnet pass through the paper and touch the door.



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Question 5 8.33 pts
Giovanni sprinkled iron filings around a magnet. Which of the following did Giovanni most likely see?
Group of answer choices

The iron filings randomly falling around the magnet

The iron filings spread evenly around the magnet.

The iron filings lining up with the magnetic field lines

The iron filings accumulating only at the poles of the magnet

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Question 8 8.33 pts
If you increase the distance between two magnets, what will happen?
Group of answer choices

The magnetic attraction will decrease.

The magnetic attraction will strengthen.

The magnetic attraction will stay the same.

The magnetic attraction will increase.



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Question 10 8.34 pts
Another student made an electromagnet with an iron nail with eight coils of wire wound around it connected to a 2-V battery. She wants to increase the strength of the electromagnet. What changes can she make to her design to increase its strength? Select all that apply.
Group of answer choices

wrap more coils of wire around the nail

use two 1-V batteries instead of a 2-V battery

use a longer wire

use a 4-V battery

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Question 11 8.34 pts
Jazelle has five different-sized magnets. She puts each magnet far away from a paper clip and slowly moves it closer until it attracts the paper clip. She records the distance between the magnet and the paper clip when it attracts. What is Jazelle's experiment designed to test?
Group of answer choices

how the type of paper clip affects the way in which it reacts to the force of a magnet

how the magnetic force of a magnet affects the movement of an object

how the size of a paperclip affects the strength of its magnetic pull on objects

how the size of a magnet affects the strength of its magnetic pull on objects

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Question 12 8.34 pts
Kayla has two magnets. She would like to know how much magnetic energy is stored in each one. What would be the best way for her to determine which magnet has the most magnetic energy?
Group of answer choices

Attach wires to the ends of each magnet and measure the currents going through the wires

Measure how close each magnet can get to a metal object before picking it up.

Record the mass of each magnet by measuring it on a balance scale.

Put each magnet into a beaker of water to see how much water it displaces

Answer:

Accesary organs: Accesary organs are those organs which are helpful in the digestion of food materials but they are not the parts of digestive track. These organs are present in the mouth i. e. tongue, saliva and teeth. The food is teared and crushed into pieces with the help of teeth due to their pointed structure. Saliva contains salivary glands which mixes with the food and starts the breakdown of food substance.

Answer:

A) A pest control company looking for a technician  

Explanation:

Some of the duties of a pest control technician are:

A person with a joint degree in chemistry and biology would have the skills to do the job.

B) is wrong. A janitor doesn’t need much knowledge of biology and chemistry.

C) and D) are wrong. A knowledge of biology and chemistry doesn’t give a person the skills of a pilot or a veterinarian.

Answer:

Explanation:

A heterozygote advantage describes the case in which the heterozygous genotype has a higher relative fitness than either the homozygous dominant or homozygous recessive genotype. The specific case of heterozygote advantage due to a single locus is known as overdominance. Overdominance is a condition in genetics where the phenotype of the heterozygote lies outside of the phenotypical range of both homozygote parents, and heterozygous individuals have a higher fitness than homozygous individuals.

The pressure that accumulates along a fault due to seismic stress, which can lead to an earthquake when it overcomes frictional resistance, is known as seismic stress. Over time this leads to the 'snap back' of rocks in what is called the elastic rebound theory.

The pressure that builds over time along a fault is known as seismic stress. In earthquake-prone regions, such as California, the accumulation of stress along a fault, which is restricted by friction, leads to the potential for earthquakes. Over time, as the stress builds due to the movement of tectonic plates, it eventually exceeds the frictional forces holding the fault blocks together. When this friction is overcome, the release of energy can cause the rocks to break and slip, resulting in an earthquake. This sudden release of energy and the subsequent 'snap back' of the deformed rocks to their original position is known as the elastic rebound theory. Strain gauges are sometimes employed to measure the bending of rocks near faults as a method to help forecast potential seismic events.

Answer:

D. Plants, which release oxygen, live near the surface of the ocean,

where they receive large amounts of sunlight.

Explanation:

Plants are the multicellular and eukaryotic organisms which are autotrophic in nature. Autotrophic means they are able to prepare their own food in the process of photosynthesis. Stomata opens in daytime due to the presence of sunlight through which carbondioxide gas enters into the leaves through stomata and water is absorbed from the soil through roots. These two substances are the reactants of this process. When they combine with each other forming oxygen and glucose.

Answer:

there is 30,000 chromosomes in the human body

Explanation:

The correct phenomenon that occurs when oceanic crust collides with continental crust at a plate boundary is subduction.

When oceanic crust, which is denser and heavier, collides with continental crust, which is less dense and lighter, the oceanic crust is typically forced underneath the continental crust in a process known as subduction. This occurs at convergent plate boundaries, where two tectonic plates move towards each other.

As the oceanic crust descends into the mantle, it is subjected to increasing temperatures and pressures. This can lead to partial melting of the subducting plate, which in turn can produce magma that rises through the overlying continental crust. This magma can reach the surface to form volcanoes, or it can cool and solidify at depth to form intrusive igneous rocks.

The subduction process is also responsible for the formation of deep-sea trenches, such as the Mariana Trench, where the oceanic crust bends and begins its descent into the mantle. Additionally, the friction and heat generated by the colliding plates can lead to earthquakes and the formation of mountain ranges on the continental side of the boundary, as the crust is crumpled and uplifted.

In summary, when oceanic crust collides with continental crust, the denser oceanic crust is subducted beneath the lighter continental crust, leading to a range of geological activities including volcanic activity, earthquakes, and mountain building.

Answer:

gravity

Explanation:

Gravity is the cause of glacier motion; the ice slowly flows and changes in response to gravity. A glacier molds itself to the land and also molds the land as it creeps down the valley. Many glaciers slide on their beds, which enables them to move faster.

Answer: D). 100% of the females with red eyes, 100% of the males with white eyes.

Explanation: If XR represents the allele for red eyes and Xr represents the allele for white eye, and if the allele for red eyes is dominant and the allele for white eyes is recessive. Then the cross between the two will produce four offsprings, two females and two males. The females will be heterozygous for the trait having one dominant allele and one recessive allele XRXr while the males will have one allele for white eye and a Y chromosome XrY. Since XR is dominant, the females with genotype of XRXr will manifest red eye phenotype while the males with genotype of XrY will manifest phenotypically as white eyed because they have only one X chromosome.

See the completed punnet square for more information

Answer:

No, they could not interbreed.

Explanation:

When a group of squirrels separate from each other and develop its unique characteristics, this is known as speciation. One type of speciation is allopatic speciation in which one squirrel's species separate into two separate groups and isolated from each other because of the physical barrier. This physical barrier can be a mountain range or waterway and makes it impossible to breed with one another. Each squirrels species develop unique genetic characteristics due to change in habitat  and genetic variations are transferred to their offspring.

Answer:

drives energy from the inorganic chemicals, in the absence of solar light.

Explanation:

Chemosynthesis is an important process that some organisms use to get energy for the production of food. ... Instead, this energy comes from the reaction of inorganic chemicals that many of these organisms find in their environment. (Image Credit: teara.govt.nz) This process mostly occurs in bacteria

Answer:

Chemosynthesis is a biological process that takes place in some bacteria and derives energy from the inorganic chemicals, in the absence of solar light. It involves oxidation of inorganic molecules to make organic molecules, such as glucose.

Answer:

No

Explanation:

It is not a solid and it is not inorganic.

Natural Gas is not a mineral because it does not meet the necessary criteria; it is not solid at room temperature and does not have a crystalline structure. It is a gaseous mixture mainly composed of methane and arises from biogenic or thermogenic processes.

No, natural gas is not considered a mineral. While natural gas does arise from geological processes, the definition of a mineral is a naturally occurring inorganic element or compound having an orderly internal structure and characteristic chemical composition, crystal form, and physical properties. To be classified as a mineral, a substance must be solid and stable at room temperature, which natural gas is not as it is a gaseous fossil fuel. Natural gas is mainly composed of methane (CH₄), with smaller amounts of other hydrocarbons like ethane (C₂H₆), propane (C₃H₈), and butane (C₄H₁₀), and sometimes contains impurities such as hydrogen sulfide.

As a gaseous mixture that lacks a definite crystal structure and is not solid at room temperature, natural gas does not meet the criteria for a mineral. Additionally, it is biogenic or thermogenic in origin, meaning it forms from the decay of organic matter or from the compression and heat treatment of organic material deep underground, respectively.

Answer:

yes

Explanation:

The answer is yes because there can be rocks changing or blocking the path of the water. While the water can erode the rocks over time it will take even more time to erode the other land and if the flow of the water stops the water will not be able to shape or erode the rest of the land.

Answer: branching tree diagram

Explanation:

Answer:

I'm answering so the other

Explanation:

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The function of a protein determined by:

The shape determines the working of a protein. A protein's design is determined by its primary structure i.e the amino acid sequence. The amino acid sequence within a protein is decided by the encoding arrangement of nucleotide in the gene (DNA).

The role of a protein is utterly dependent on its three-dimensional architecture (other than when it caters as food). This framework may be disturbed by a number of agents thereby denaturing the protein:

Answer:Bacteria

Archaea

Eukarya

Viruses

Bees

Tapeworms

Great White Shark

Answer: The concentration of the cytoplasm of red blood cells will be 0.5m.

Explanation: Red blood cells that are bathed in blood neither shrink nor swell and burst because the concentration of the surrounding blood is equal to the concentration inside the cytoplasm of the red blood cells. This means that the two solutions are isotonic. Since the two solutions are isotonic, there will not be movement of water molecules across the red blood cell membrane. Osmosis do not occur between two solutions of equal concentration, for osmosis to occur water molecules must move from a region of high water concentration to a region of low water concentration through a selectively permeable membrane.

Answer: DNA

Explanation:

A chromosome is a thread-like material with a long structure found in the cell nucleus. It mainly contains DNA and proteins. Due to the presence of DNA in chromosomes, it carries several genes.

The total number of chromosomes in human cell is 46: 44 are non-sex chromosomes while 2 are sex chromosomes

Answer:

Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA).

Explanation:

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Answer:

Forest land becomes developed land

Explanation

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As the human population increases, the main change in land use involves forestland being transformed into developed land for housing, infrastructure, and farming. Natural habitats may be destroyed due to this process. Usually, urban land is not primarily converted to cropland.

As the human population increases, land use significantly changes to accommodate the growing needs. Predominantly, Forestland becomes developed land. This is primarily due to the necessity for more housing, infrastructure (like roads and schools), industrial developments, and farming land to feed the increasing population.

Due to this conversion of land, natural habitats and ecosystems are often disrupted or destroyed. Therefore, the notion that more land becomes available for preserves can sometimes be misleading since the total amount of undisturbed land globally actually shrinks as the human population grows.

Urban land may sometimes be converted into cropland, but this is not the primary trend. Typically, rural areas and forests are cleared for farming before utilizing urban lands.

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Explanation:

If Glycolysis stopped happening in the cell, the cell would not likely produce ATP molecules and in the same time, the Krebs cycle will not function without it.

Answer:

The Krebs cycle could not function

Explanation:

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Answer:

Earth's capacity

Many scientists think Earth has a maximum carrying capacity of 9 billion to 10 billion people. [How Do You Count 7 Billion People?]

One such scientist, the eminent Harvard University sociobiologist Edward O. Wilson, bases his estimate on calculations of the Earth's available resources. As Wilson pointed out in his book "The Future of Life" (Knopf, 2002), "The constraints of the biosphere are fixed."

Aside from the limited availability of freshwater, there are indeed constraints on the amount of food that Earth can produce, just as Malthus argued more than 200 years ago. Even in the case of maximum efficiency, in which all the grains grown are dedicated to feeding humans (instead of livestock, which is an inefficient way to convert plant energy into food energy), there's still a limit to how far the available quantities can stretch. "If everyone agreed to become vegetarian, leaving little or nothing for livestock, the present 1.4 billion hectares of arable land (3.5 billion acres) would support about 10 billion people," Wilson wrote.

The 3.5 billion acres would produce approximately 2 billion tons of grains annually, he explained. That's enough to feed 10 billion vegetarians, but would only feed 2.5 billion U.S. omnivores, because so much vegetation is dedicated to livestock and poultry in the United States.

So 10 billion people is the uppermost population limit where food is concerned. Because it's extremely unlikely that everyone will agree to stop eating meat, Wilson thinks the maximum carrying capacity of the Earth based on food resources will most likely fall short of 10 billion. [When Will Earth Run Out of Food?]

According to population biologist Joel Cohen of Columbia University, other environmental factors that limit the Earth's carrying capacity are the nitrogen cycle, available quantities of phosphorus, and atmospheric carbon concentrations, but there is a great amount of uncertainty in the impact of all of these factors. "In truth, no one knows when or at what level peak population will be reached," Cohen told Life's Little Mysteries.

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An ameba is called so because of its ability to move and feed by extending pseudopodia, characteristic of organisms classified under the Amoebozoa supergroup. These organisms, which include both free-living and parasitic species, exhibit diverse adaptations such as bacterial endosymbiosis or multicellular stages in slime molds.

The unicellular organism is called an "ameba" due to its amoeboid movement and structure. Its body, often described as a blob of jelly, possesses the ability to change shape by extending and retracting pseudopodia (false feet) which allows it to move and ingest food through a process called phagocytosis. Ameba belongs to the Amoebozoa supergroup, which includes a variety of protozoans that exhibit similar amoeboid movement. The movement and feeding mechanism are facilitated by actin microfilaments within the cell that extend the cell membrane to form pseudopodia. Amebas are found in various environments and can exist as free-living organisms or parasites. The genus Entamoeba, for instance, includes species that can be harmful to humans, such as E. histolytica, the cause of amoebic dysentery.

Diverse amoebas exhibit specialized adaptations according to their habitat and lifestyle. The Gymnamoeba or lobose amoebae, including the well-known Amoeba proteus, show significant variation in size and complexity, from single to multinucleate forms. Their capability to host bacterial endosymbionts in place of mitochondria is a fascinating aspect of some amoebas, indicating a complex relationship with their environment. Another remarkable adaptation is observed in slime molds, especially cellular slime molds like Dictyostelium discoideum, which transition between unicellular and multicellular life stages, demonstrating cell differentiation and collective behavior.

The cell cycle phases in order consist of interphase (divided into G1, S, and G2 phases), followed by the mitotic phase which includes mitosis (with stages prophase, prometaphase, metaphase, anaphase, and telophase) and concludes with cytokinesis.

Phases of the Cell Cycle

The cell cycle is an ordered series of events involving cell growth and cell division that result in two new daughter cells. The cycle can be divided into two main components: interphase and the mitotic phase. Interphase itself consists of three stages:

The mitotic phase follows interphase, beginning with mitosis (karyokinesis), which includes the stages: prophase, prometaphase, metaphase, anaphase, and telophase. Finally, cytokinesis occurs, where the cell's cytoplasm is divided, concluding the cell cycle and resulting in two genetically identical daughter cells.

Answer:

The amount of water that evaporates from earth is roughly equal to the amount that falls as precipitation.

Explanation:

In the hydrological cycle, evaporation consists of the conversion of liquid water into water vapor, which reaches the atmosphere. Once the water vapor condenses produces precipitation in the form of rain, snow or hail.

On the earth the amount of water that evaporates is proportional to the water that falls as precipitation. The mass of ocean water is substantially greater than the amount of land, so variations in the proportion of evaporated water and precipitation occur in the hydrological cycle:

This produces a certain grade of compensation in which, globally, the amount of water that evaporates from the earth is roughly equal to the amount that falls as precipitation.

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Answer:

Equal or roughly equal

Explanation:

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Answer:

size of a medium

Explanation:

it is between large and small

Answer:

all i know is they have big leaves because on the forest floor, because it is hard to get sunlight, so big leaves maximizes the chance of getting some sunlight for photosynthesis

Explanation:

Answer:

A. A dog drinking water

Explanation:

Because def f external stimulus the feeling you describe as hunger, the churning sensation you experience when anxious or afraid.

Answer:

(d) production of energy from the breakdown

of food

Explanation:

Cellular respiration makes ATP energy. (Adenosine Triphosphate)

Answer:

Its covering the Epidermis

The upper epidermis of a leaf is covered by a waxy cuticle that serves as a waterproof barrier, reducing water loss and protecting the leaf.

The upper epidermis is the top layer of the leaf that functions as a protective barrier. This layer is usually one cell thick, but can become thicker in harsh environmental conditions. The upper epidermis is covered by a waxy, waterproof cuticle, which helps to prevent water loss from the leaf due to evaporation and transpiration.

Additionally, some leaves have trichomes, which are small hairs that further aid in reducing water loss and can deter herbivores by storing toxic compounds or by physically impeding insects.