Which image shows the December solstice?
45 points

Answer:

Angiosperms are grouped into monocots and dicots.

Explanation:

Angiosperms, commonly known as Flowering plants, are the most diverse and advanced group of plants in the Kingdom Plantae. Angiosperms are characterized by their ability to produce reproductive structures called FLOWERS, which becomes seeds borne in fruits when fertilized. Hence, they are regarded as seed plants.

Angiospermic plants are classified as either monocotyledonous i.e. plants that contain one seed-leaf or dicotyledonous i.e. plants that contain two seed-leaves. Hence, based on the provided options, Angiosperms are grouped into monocots and dicots is the most appropriate plant classification.

Answer:

D

Explanation:

It's what he said

Answer:

Apple

Explanation:

The food item that would be the most energy efficient to eat is an Apple. The correct option is C.

The meaning of energy-efficient is the objects that have high energy but are low in calories. Fruits and vegetables have ample amounts of energy and are good sources of natural sugar. These items are good for health and provide energy at the same time.

The food items that are given are grilled chicken steak, and shark fin soup are all non-veg items, and contain a large amount of fat in them. But apple is a fruit, and it is low calorie and rich in fibers and energy.

Thus, the correct option is C. Apple regarding the food items that would be the most energy efficient to eat.

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Answer:

hurricanes are the most threatening

Answer:

Hurricanes. They cause a lot of damage to neighborhoods, they could be life-threatening.

1. GMO plants, like corn, reduce Monarch butterfly habitat by eliminating milkweed, their primary food source, leading to a decline in their population.

2. Monsanto sued a Canadian farmer, Percy Schmeiser, for growing Monsanto's patented GMO seeds without authorization, alleging patent infringement and unauthorized use of their seeds.

1. GMO plants, such as corn, have been implicated in affecting Monarch butterflies primarily by reducing their habitat. This reduction in habitat is primarily due to the loss of milkweed, which is the primary food source for Monarch caterpillars. Some GMO crops, such as herbicide-tolerant crops, allow for the increased use of herbicides, which can eliminate milkweed and other flowering plants from agricultural fields.

2. Monsanto sued a Canadian farmer, Percy Schmeiser, because his land was contaminated by Monsanto's GMO plants, and he saved and planted the seeds from those plants without a license or permission from Monsanto. According to Monsanto, this constituted patent infringement as the farmer was growing Monsanto's patented seeds without authorization.

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The complete question is:

1. GMO industry leads to fewer food crop varieties GMOs provide food diversity for insects GMOs industry only operates in the United States GMO agriculture does not cause plant tolerance to herbicides GMO plants e.g. corn affect Monarch butterflies by Causing them to mutate Reducing their habitat Making them have to adopt new foods Affecting their navigation in winter months.

2. Why did Monsanto sue a Canadian farmer? His land was contaminated by Monsanto's GMO plants, he saved and planted the seeds from those plants He failed to plant the seeds Monsanto supplied to him He failed to sell back his seeds to Monsanto, which was an infringement He failed to grow his patented seeds with the companion chemicals.

All of the choices are correct. Decomposers are consumers, saprotrophs, and heterotrophs. Bacteria and fungi are examples of decomposers.

Decomposers are organisms that break down dead or decaying organisms. They are also grouped as consumers, saprotrophs, and heterotrophs. Saprotrophs are any organism, especially a fungus or bacterium, that lives and feeds on dead organic matter.

Heterotrophs are organisms that cannot manufacture their own food by carbon fixation and therefore derives their intake of nutrition from other sources of organic carbon, mainly plant or animal matter. In the food chain, heterotrophs are secondary and tertiary consumers. Decomposers are consumers, saprotrophs, and heterotrophs while bacteria and fungi are examples of decomposers.

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The distance  of moth can be calculated as 330m/s × 0.04 seconds

Hence the distance is 13.2 meters.

The bats uses ultrasound to snap a prey with the help of reflection of sound waves. The bats produce the ultrasonic wave that gets echoed from the prey and approaches to the bats' ears. This helps the bat to find out the distance of the prey.

Bat uses to emit high-frequency ultrasonic waves which are too high for the  humans to hear. These process in called as echolocation organ named  cochlea, a large spiral cavity in the inner ear, is sensitive to a broad hearing range and finely tuned for the returning echoes.

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Removing methane and hydrogen sulphide will be the most effective method for eliminating the maximum number of organisms.

Chemosynthesis is the biological processing of one or even more carbon-containing substances and resources into plant substances through the oxidation of inorganic chemicals or ferrous ions rather than sunlight, as in photosynthesis.

Chemosynthesis is the use of energy supplied by inorganic biochemical processes to make food in bacteria and other living organisms.

To create sugar, all chemosynthetic organisms employ the energy released by chemical reactions, although various species use different methods.

Vent bacteria, for example, oxidise hydride sulphide, add oxygen and carbon dioxide and generate sugar, sulphur, and liquid: CO2 + 4H2S + O2 -> CH20 + 4S + 3H2O.

Organic matter is produced by other bacteria by reducing sulphide or oxidising methane.

Chemosynthetic bacterial colonies have been discovered in hot springs both on land and at sea, near hydrothermal vents, cold seeps, whale corpses, and even sunken pirates.

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Answer:

Due to mixing of particles present in the upper layer of limestone with sandstone during deposition.

Explanation:

The parent layer was limestone layer which is older than sandstone layer. This sandstone layer spreads on the limestone layer because of wind. The wind moves these sandstone from other region and their deposition occurs on the limestone layer. During deposition of sandstone, some particles of limestone which are present at the surface mixes with the sandstone so that's why in sandstone layer, small and weathered pieces of limestone are present.

Answer: Lytic, because of the quick onset of symptoms after infection

Explanation: As seen in the question above, the SARS virus tends to develop symptoms very quickly when it is infecting a person. This speed in the development of symptoms is a characteristic of the lytic cycle, in relation to the reproductive cycle of viruses. This is because in the lytic cycle, a virus can infect many cells at once, which accelerates the development of the disease. This cycle allows the virus to use all of the cell's biological machinery to reproduce more copies of the virus. When these copies are ready, the virus causes the destruction of the host cell and the release of new viruses to other cells, where the whole process will be repeated. This is all done very quickly.

The lysogenic cycle does not cause the rapid infection of thousands of cells, since it is necessary that there is an adaptation between the DNA of the cell and the DNA of the virus. This slows down the infection process and, therefore, symptoms appear more slowly.

When oxygen binds to a heme-containing protein, the two open coordination bonds of Fe^2+ are occupied by oxygen atoms.

Iron is bound by heme, a type of porphyrin molecule. It is the subset of heme proteins known as the auxiliary group, which also includes myoglobin, cytochrome, peroxidase, catalase, etc. Myoglobin and conventional heme-binding proteins like haemoglobin work together to transport and store oxygen in vertebrates.

The two open coordination bonds of Fe2+ are occupied by oxygen atoms when oxygen attaches to heme-containing proteins. For instance, in the case of haemoglobin, the coordination between the iron atoms in the heme group and the oxygen atoms results in a stable complex that is essential to hemoglobin's ability to carry oxygen in the circulation. The heme group's iron atom can switch between the Fe2+ and Fe3+ oxidation states, enabling it to bind and release oxygen as required. Heme-containing proteins possess the crucial coordination of the iron atom with the oxygen atoms through the two open coordination bonds, which is what enables them to carry out their essential biological roles.

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Answer:

Here you go

Explanation:

DNA replication is regulated to ensure all chromosomes replicate once and only once per cell cycle.Cell cycle regulation by protein phosphorylation ensures that pre-RC assembly can only occur in G1 phase, whereas helicase activation and loading can only occur in S phase.

When Federico was attacked by a growling labrador retriever, the responses are:- Unconditioned stimulus (US): Growling labrador retriever; Unconditioned response (UR): Fear; Conditioned stimulus (CS): Any dog growling; Conditioned response (CR): Fear and sweating.

Unconditioned Stimulus (US): The growling of the labrador retriever is the unconditioned stimulus (US). This is because it caused a natural and automatic reaction in Federico, who became very nervous and sweaty after the dog growled at him.

Unconditioned Response (UR): Federico's natural and automatic response of becoming very nervous and sweaty after the growling of the labrador retriever is the unconditioned response (UR). This reaction occurred automatically without any conditioning.

Conditioned Stimulus (CS): The conditioned stimulus (CS) is the sound of any dog growling. This is because, after the event, Federico has learned to associate the sound of a dog growling with fear, nervousness, and sweating, even when it's not the same labrador retriever that attacked him.

Conditioned Response (CR): The conditioned response (CR) is Federico's fear, nervousness, and sweating that occurs whenever he hears any dog growling. This reaction is not natural or automatic but learned through association with the dog's growling that attacked him when he was four years old.

Therefore, the unconditioned stimulus (US), and the unconditioned response (UR) are the growling of the labrador retriever and fear because of it, respectively, and the conditioned stimulus (CS), and conditioned response (CR) is any dog and fear caused because of any random dog.

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Answer:

D

is the answer because as you see the percentage increase

Answer:

900

\

Explanation:

Answer:

Heating an atom excites its electrons and they jump to higher energy levels. When the electrons return to lower energy levels, they emit energy in the form of light.

Explanation:

hope this helps plz mark brainliest

The first ionization energy of sulfur is smaller than the first ionization energy of phosphorus because of the effect of electron-electron repulsion between two electrons in the same 3p subshell.

The ionization energy (IE) is defined as the energy needed to remove an electron from a neutral atom in its ground state. The general equation for the ionization of an atom can be written as:

atom(g) → cation(g) + e-

This equation represents the ionization process, in which an atom in the gas phase loses one electron to form a positively charged cation (the remaining atom).

The first ionization energy (IE1) is defined as the energy required to remove the first electron from an atom or ion in its ground state. It's expressed in units of kilojoules per mole (kJ/mol).

There are two main factors that influence ionization energy: the atomic radius (size of the atom) and the effective nuclear charge (Zeff).Sulfur has one more electron than phosphorus in the same valence shell (3p), so there is more electron-electron repulsion in sulfur, making it easier to remove an electron.

As a result, the first ionization energy of sulfur is smaller than the first ionization energy of phosphorus.

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Answer: Because she used cold water

Explanation:

Tea leaves contain different flavors that dissolve in water to give it its distinct taste as well as its color. If water is hot, the flavors will dissolve quickly due to the fast movement of the heated water molecules.

If the water is cold however, as is the case in the above scenario, the flavors will take longer to dissolve in the water which means that the tea's color will not change drastically leading to a light tea.

The relative centrifugal force is 990,000. By adjusting the RCF in a centrifugation process, scientists can control the separation of analytes based on their desired outcome.

(a) To calculate the relative centrifugal force (RCF) experienced by the analytes in the centrifugation machine, we can use the following formula:

RCF = (1.12 × 10^-5) × r × (rpm)^2

where r is the arm length in centimeters and rpm is the revolutions per minute of the centrifuge.

Given that the arm length is 11 cm and the rpm is 3000, we can substitute these values into the formula:

RCF = (1.12 × 10^-5) × 11 × (3000)^2

Calculating this expression, we find that the relative centrifugal force experienced by the analytes is:

RCF = 11 × 9 × 10^4 = 990,000

Therefore, the relative centrifugal force is 990,000.

(b) (i) The term relative centrifugal force (RCF) is a measure of the gravitational force experienced by particles or analytes in a centrifuge. It quantifies the acceleration applied to the analytes during centrifugation and is expressed as a multiple of the acceleration due to gravity (g). RCF is used to determine the sedimentation rate and separation efficiency of particles based on their size, shape, and density. When a centrifuge rotates, the analytes experience a centrifugal force that pushes them away from the axis of rotation. This force causes the analytes to sediment or settle at different rates depending on their physical properties. RCF is directly proportional to the square of the rotational speed (rpm) and the radius (arm length) of the centrifuge. By adjusting the RCF in a centrifugation process, scientists can control the separation of analytes based on their desired outcome. Higher RCF values lead to faster and more efficient sedimentation, enabling the separation of particles with greater resolution. Understanding RCF is crucial in optimizing centrifugation protocols for various applications, including sample preparation, cell separation, and purification techniques in molecular biology, biochemistry, and clinical diagnostics.

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For the first question, the reasons should be:

B. to match the mystery food sample to a definite positive result (gelatin, oil, etc.)

C. to match the mystery food sample to a definite negative result (water)

For the second fill-in- the blank:

The test above shows B. negative for the mystery food sample.

Answer:

the first person is right !!

Explanation:

i did what they said to and i got it correct !!

Answer:

B. Double replacement reaction

Explanation:

A double displacement reaction is a type of reaction where 2 reactants exchange parts to form two new compounds.

Answer:

B. Bacterial conjugation is the mechanism used by bacterial cells to share genetic information.

Explanation:

Conjugation is the process by which one bacterium transfers genetic material to another through direct contact.

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Answer:

NADH

Explanation:

Answer:

the enzymes is called helicase"unzips" the two strands in the double helix meaning that u would have to open up the helix so the enzyme that does helicase "ase" meaning enzymes

Explanation:

The term "chromatin" is not a component of the cytoplasm. So the correct option is b.

Cytoplasm consists of the following components: cytosol, organelles, and inclusions. Chromatin is found in the nucleus of the cell, not in the cytoplasm. Chromatin refers to the condensed form of DNA in the nucleus of eukaryotic cells, which contains the genetic material of the cell. It is not considered a component of the cytoplasm, which is the fluid portion of the cell outside of the nucleus.

On the other hand, the components of cytoplasm include cytosol (the liquid portion of the cytoplasm), organelles (such as mitochondria, endoplasmic reticulum, Golgi apparatus, etc. that have specialized functions within the cell), and inclusions (non-living substances such as glycogen granules, lipid droplets, pigment granules, etc. that may be present in the cytoplasm).

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The sequential replacement of species in a community after a forest fire is called Secondary Succession.

Secondary succession occur in the order as follows:

Pioneer species>intermediate species>climax community

It occurs in areas where a biological community has already existed but some of that community has been removed by disturbances that did not eliminate all life and nutrients from the environment.

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When two or more of the same nucleotide (in a row) are detected in the flow-gram, they appear as the highest peak.

The formation of phosphate ester bonds can connect nucleotides. The hydroxyl group of the a phosphate solely on a single nucleotide condenses with the hydroxyl group of another nucleotide's carbohydrate ring. The process of constructing nucleic acid molecules may continue.

Deoxyribonucleic acid (DNA) as well as ribonucleic acid (RNA) are nucleic acids found in living cell nuclei. They are the carriers of genetic information. Nucleic acids are polymers formed by the condensation of nucleotides.

The process whereby a double-stranded DNA molecule has been copied to produce two identical DNA molecules has been known as replication. One of the fundamental processes which occurs inside a cell is DNA replication.

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Answer:

Periods correspond to the relationship of orbitals, or likely areas in which electrons will be found, inside the outermost shell of the atom. Successive periods down the table correspond to atoms with a more electron-rich core of inner shells.

Explanation:

Answer:

Mountains, hills, plateaus, and plains are the four major types of landforms. Tectonic plate movement under the Earth can create landforms by pushing up mountains and hills. Erosion by water and wind can wear down land and create landforms like valleys and canyons.

Explanation:

Answer:

y = 2/5x + 1

Explanation:

Slope-Intercept Form: y = mx + b

Slope Formula: \(m=\frac{y_2-y_1}{x_2-x_1}\)

Step 1: Find slope m

\(m=\frac{3-1}{5-0}\)

\(m=\frac{2}{5}\)

y = 2/5x + b

Step 2: Find y-intercept b

Given point (0, 1) as y-int.

y = 2/5x + 1

Answer:

As Per Provided Information

We have been asked to determine the volume of the crate .

Formula used to calculate the volume of crate is

\( \boxed{\bf \: Volume_{(Crate)} = Base \: Area \times Height}\)

On substituting the given value in above formula and we obtain.

\( \qquad\longrightarrow\sf \: Volume_{(Crate)} \: = 6 \times 4 \\ \\ \\ \qquad\longrightarrow\sf \: Volume_{(Crate)} \: = 24 \: {m}^{3} \)

Therefore,