A major disturbance that almost caused a total collapse, but that the ecosystem was able to recover from eventually.

Answer and Explanation:

Under normal conditions in general the spleen can not be palped because of its reduced size. But when it is enlarged it might be easily touched. The spleen is located under the thoracic cage (rib cage) on the left side, between the 8th and 11th ribs. This would correspond to the left superior quadrant (left hemi-belly).

The enlargement of the spleen and the liver inflammation are symptoms of the mono disease. This enlargement might affect some neighboring organs such as the stomach, which might be displaced and compressed.

The spleen is part of the immunological system and helps the body to fight infections and filter old bloody cells taking them out of the blood current. This organ might get enlarged because blood cells accumulate in its interior. Red blood cells are excessively stored in the spleen, resulting in anemia. The more cells the spleen retains, the larger it becomes, and hence, the more blood cells it retains and destroys. If the spleen is unproperly working, it kills too many red blood cells and accumulates many others.

The Stomach and kidney are not part of the immunity system and they do not filter blood cells, so they do not seem to be affected by their accumulation.

Answer: B would be the best answer

Explanation: The primary difference that lies between these organic compounds and inorganic compounds is that organic compounds always have a carbon atom while most of the inorganic compounds do not contain the carbon atom in them. Almost all the organic compounds contain the carbon-hydrogen or a simple C-H bond in them.

Option B is the right answer.

Organic compounds contain carbon and inorganic compounds do not.

Organic compounds contain one or more carbon atoms covalently linked to atoms of other elements, most commonly hydrogen, oxygen, or nitrogen. Carbides, carbonates, and cyanides are among the few carbon-containing compounds that are not classified as organic.

Organic compounds have covalently bound carbon, hydrogen, and frequently other elements. In chemistry, an inorganic compound lacks carbon-hydrogen bonds, i.e. is not an organic compound. Inorganic chemistry is a discipline of chemistry that studies inorganic compounds.

The most obvious difference between organic and inorganic substances is that organic compounds are primarily the outcome of the activity of a living being. In contrast, inorganic chemicals are obtained through natural processes unrelated to any of the Earth's life forms.

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Answer:

D. The cells will have 2n chromosomes and be haploid.

Answer:

 The cells will have 2n chromosomes and be diploid.

Explanation:

Answer:

Low oxygen pressures in the blood cause the nervous system to respond with hyperventilation.

Explanation:

In our body, the partial pressures of oxygen in the blood is a marker of blood pressure and hyperventilation.

The partial pressure of this gas may be decreasing due to lack of partial pressure of oxygen in the atmosphere that we breathe or in the great respiratory demands, that is why in this case, the partial pressures of oxygen during the marathon decrease.

When decreasing, this is captured by the nervous receptors and the CNS executes an increase in respiratory rate, generating hyperventilation so that the partial pressure of oxygen increases.

These receptors are chemoreceptors, capable of detecting the slight drop in blood pH due to oxygen deficiency associated with hemoglobin, since metabolic acidity is very common in cases of low oxygenation.

Soil is the natural medium, also known as nutrient medium.

Answer:

This looks like a covalent bond between 2 atoms. Notice that the 2 electrons in the middle are being shared by both atoms, which is a feature of covalent bonds.

Explanation:

So answer should be "C"

Hope this help have a nice day!

The image depicts the sharing of electron between two atoms which form covalent bond. Thus, option C is correct.

The force of attraction between different constituents like atoms, ions which hold them together is called as chemical bonding.

Different types of bonds formed either from the loss or gain or sharing of electrons between two atoms/molecules.

Ionic bonding in which transfer of electrons from one atom or molecule to another there by generation of opposite charges on individual atoms.

The organic compound exhibit covalent bond that is sharing of electrons between atoms. it can be either polar or non-polar in nature.

Polar covalent chemical bond refers to unequal sharing of electrons between more and less electronegative atom. Water is the best example.

Hydrogen bond can be formed between oxygen and hydrogen where hydrogen develops partial positive charge so that electron can come closer to more electronegative atom.

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Answer:

The answer is

Explanation:

To convert it into m³ we use the following conversion

From the question the value is 2000 cm³

To convert it multiply the value by

1 × 10^- 6m³

That's

We have the final answer as

Hope this helps you

Answer:

It is formed when the sandstone's quartz grains are fused from heat and pressure. Additionally, marble is soft while quartzite is hard and durable. Chemically, marble is composed of calcite while quartzite is not.

Explanation:

Answer:

the number of apples she ate

Explanation:

The independent variable of an experiment is the variable that is manipulated or changed intentionally in order to effect a measurable response in the dependent variable.

In this experiment involving the Shania, where she wanted to test the effect of eating apples on her classwork performance, the independent variable is the NUMBER OF APPLES SHE ATE because that is what changes everyday.

The distance measure in centimeters is less than the kilometers.

Distance is a physical quantity which is measured in meter. If a man travel then it is measured in meters that defines that how much he travel from one point to another point for all these type of things we use to measure distance.

Centimeter is also a physical quantity which is use to measure distance. 1 centimeter is equal to 0.01 meter and 1 centimeter is equal to 0.00001 kilometer.

Kilometer is also a physical quantity which use to measure the distance 1 kilometer is equal to 1000 mtr and 1 kilometer is equal to 100000 centimeter.

For above conclusion we easily states that the kilometer is large quantity to measure distance while centimeter is smaller quantity to measure distance.

So, we can say that one hundred centimeters is less than the one kilometer.

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Answer:

Adaptations are physical or behavioral traits that make an organism better suited to its environment. Heritable variation comes from random mutations. ... Rather, a genetic mutation causes a difference in fur color, which may help that rabbit hide better in its environment.

Explanation:

Answer:

Yes, because a new material of a different color formed on part of the metal strip

Explanation: Good luck!

Answer:

Stops the new kidney from being rejected.

Explanation:

Your body will attack the new kidney and try to damage or destroy it. The immunosuppressant drugs suppress your body's ability to do this.

Answer:

c is not true

Explanation:

hope this helped!

Answer:c is not true

Explanation:

because I took the test and the person above me is also correct

don't forget to take breaks and drink whatever you want to drink

Answer:

The population density is 20

Explanation:

200/10=20

Answer:

Strawberry

Explanation:

The unified cell theory was proposed by three scientists in the 1830's, they are: Mathias Scleiden, Theodor Schwann and Rudolf Virchow. They proposed three components that makes up the widely accepted cell theory. The components are:

1) Cell is the basic and fundamental unit of all living things

2) All living organisms are composed of one or more cells.

3) Cells arise from already existing cells

Based on these components of the cell theory, a STRAWBERRY is the household item that would be composed of cells because it is the only living thing (plant) in the option.

Answer:

Polysaccharides

Explanation:

Polysaccharides are the most abundant Carbohydrate found in food. They are long chain polymeric carbohydrates composed of monosaccharide units bound together by glycosidic linkages.

Answer:

Pretty sure it's C.

Ciliates are the groups of organisms which include the protists that reside within the cells of corals. Thus, the correct option is D.

The ciliates are a group of protists which are characterized by the presence of hair-like organelles called as cilia on their membrane which are identical in structure to the eukaryotic flagella, however these are in general shorter and present in much larger numbers than that of flagella, and also with a different undulating pattern than flagella.

Cilia occur in all members of the group and are variously used in the activities such as swimming, crawling, attachment, feeding, and sensation.

Therefore, the correct option is D.

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Answer:

Neutral

Explanation:

The charge of an oxygen atom is neutral.

The charge should be positive.

The following information should be considered;

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Answer:

The relationship between gut bacteria and we the host is a mutualistic relationship. This is a form of relationship where both we and the bacteria benefit from the bacteria living in our gut.

They help us in our digestion process to break down some food particles into their basic units, some of which we would not be able to do without them. They also help to keep the gut’s surface intact, provide vitamins, and fight off other harmful bacteria.

Bacteria use immunity genes to neutralize toxins and protect themselves against been destroyed by our immune system by copying our immune resistance code, and using this code to make their outer membrane.

Answer:

Explanation:

Genetic variation is increased by meiosis

During fertilisation, 1 gamete from each parent combines to form a zygote. Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote.

Answer:

It slows down

Explanation:

Because water is denser than air the sound waves move through it faster which means that if the sound wave is coming from the water to the air then it will slow down. Also i took the test and got it right.

When a sound wave moves from air to water It slows down.

Sound is a mechanical wave that travels across a medium by means of the back and forth vibrating of its constituent particles. When a sound wave travels through air from left to right, the energy of the sound wave will cause displacement of air molecules in both the right and left directions.

The direction of the energy flow is parallel (and anti-parallel) to the particle motion. Sound waves in the air are described as longitudinal waves because of this.

Therefore,  When a sound wave moves from air to water It slows down.

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A mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics.

Answer:

Please see below  

Explanation:

Between all these kids carrying out this discussion, Tamara is the closest to guessing what scientists do. There is indeed a definite set of steps that scientists undertake in order to conduct science experiments. The scientific method is as follows:  

Answer:

A

Explanation:

The answer should be Taiga

Answer:

Hey there!

The taiga, desert, and tundra are not grassland biomes.

Let me know if this helps :)

C

Because Nuclear energy comes from splitting atoms in a reactor to heat water into steam, turn a turbine and generate electricity. Ninety-four nuclear reactors in 28 states generate nearly 20 percent of the nation’s electricity, all without carbon emissions because reactors use uranium, not fossil fuels. These plants are always on: well-operated to avoid interruptions and built to withstand extreme weather, supporting the grid 24/7.

All that power and potential from a tiny atom.

Answer:

B.) Energy locked in the nucleus of an atom.

Explanation:

I did the assignment on Edge, 2022.

(See the attachment below.)

Hope this helped, good luck on the Unit Test! <3