Match the causes with their effects.

Answer:

1. The oxidation number of Ca is 2, F is -1 in CaF₂

2. The oxidation number of H is 2, S is 6, O is -8 in H₂SO₄

3. The oxidation number of Ca is 2, S is 6, O is -8 in CaSO₄

4. The oxidation number of H is 1, F is -1 in HF

Explanation:

To get the oxidation number, we need to take the oxidation number of the whole compound 0. Then we need to know the oxidation number of the other elements and we need to take 'x' as the oxidation number of the unknown element.

Example:

In case of CaSO₄,

We can write an equation as-

CaSO₄ = 0

If we need to know the oxidation number of S

We can write the equation like this-

→2+ x+ (-2*4) = 0 (as we know the oxidation number of Ca is 2 as it has two electrons in its last shell which it gives to other elements to form bonds and the oxidation number of O is -2 as it takes 2 electrons to complete its outer shell)

→2+ x+ (-8) = 0

→2+ x- 8 = 0

→x- 6 = 0

→x = 6; which is the oxidation number of S

The following are the oxidation numbers:

In CaF2, the oxidation number of Ca is +2, and that of F is -1.

In H2SO4, the oxidation number of H is +1, that of S is +6, and that of O is -2.

In CaSO4, the oxidation number of Ca is +2, that of S is +6, and that of O is -2.

In HF, the oxidation number of H is +1, and that of F is -1.

Oxidation numbers are a way of representing the degree of oxidation (loss of electrons) or reduction (gain of electrons) of an element in a chemical compound. The oxidation number of an element is calculated based on the number of valence electrons (electrons in the outermost energy level of an atom) and the rules for assigning oxidation numbers.

In general, the oxidation number of an element is equal to the charge it would have if all the bonds in the compound were ionic (made up of positive and negative ions). This allows chemists to predict the behavior of elements in a compound and to balance chemical equations.

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Answer:

The heat increases the rat of the water making it easier for the water to turn onto vapor

Explanation:

Answer:

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Explanation:

As the global temperatures increases, more evaporation and precipitation will be the result. Hence, speeding up the water cycle.

At higher temperatures, there is more evaporation from land and sea into the atmosphere. Since the air gets warmer, it can hold more water vapor, this can lead to high rainstorms or precipitation.

Answer:

B) Ferrochelatase

Explanation:

The hematological effects of lead poisoning includes the inhibition of the body's ability to produce hemoglobin. This is done by interfering with several enzymatic steps in the heme synthesis pathway.

Lead inhibits or decreases heme synthesis by inhibiting Ferrochelatase enzyme activity.

Ferrochelatase catalyses the insertion of iron into protoporphyrin IX and is very sensitive to lead.

Answer:

this is true

Explanation:

if it isnt in the leaves of a plant, then its in the stem, or maybe, the entire thing is green!

flowers have green stems, trees have green leaves, lily pads are green, etc.

hope this helped

Answer:

True

Explanation:

All plants contain chloryphyll

magnet on the doors of fridges provide a tight seal to prevent the food from spoiling/rotting

pls give brainliest

Answer:

it is D

Explanation:

A grizzly bear’s habitat comprises of the physical area where the bear lives

A habitat is defined as the dwelling home of living organisms.

There are three major types of habitat; namely:

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Answer:

It's true.

Explanation:

In general, a scientific law is the description of an observed phenomenon. It doesn't explain why the phenomenon exists or what causes it. The explanation of a phenomenon is called a scientific theory. It is a misconception that theories turn into laws with enough research.

When the scientists test the idea, they develop a theory by following a set of logical steps. A theory becomes a scientific law once it has been rigorously examined and accepted. Thus, option A is correct.

One prevalent fallacy is the idea that hypotheses eventually become laws. Despite the number of supporting examples, hypotheses do not actually become laws after repeated testing.

Scientific laws, like theories, explain occurrences that the scientific community has determined to be verifiably true. In general, laws explain what will occur in a specific circumstance and are proven by a mathematical equation, whereas theories explain how the phenomenon occurs.

Therefore, A testable explanation of a natural event is what constitutes a scientific hypothesis. The concept of gravity, for instance, explains why an apple always falls to the ground when.

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Answer:

Shield volcanoes

Explanation:

Answer:

Shield volcanoes

Explanation:

Shield volcanoes erupt thin, 'runny', lava that forms a gently sloping structure. Where a volcano produces low viscosity, runny, lava it spreads far from the source forming a volcano with gentle slopes. This type is called a shield volcano. Mauna Kea and Mauna Loa are shield volcanoes.

Answer:

Rayleigh wave

Explanation:

Rayleigh waves are a type of surface acoustic wave that travel along the surface of solids. They can be produced in materials in many ways, such as by a localized impact or by piezo-electric transduction, and are frequently used in non-destructive testing for detecting defects.

hope it helps :)

please mark it the brainliest!

Rayleigh wave, surface acoustic waves called Rayleigh waves move along the surface of solids, hence option D is correct.

They are commonly employed in non-destructive testing to find flaws and can be created in materials in a variety of methods, as by a localized impact or by piezoelectric transduction.

These include what are known as Rayleigh waves. A Rayleigh wave's amplitude decreases with depth below the surface and becomes noticeably tiny at depths greater than a few wavelengths.

As a result, the disturbance is limited to a solid's surface layers. The motion experienced by the surface layers includes both transverse and longitudinal components.

Therefore, Rayleigh wave type of seismic wave is highlighted in the image.

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Answer and Explanation:

Datos:

1º Cruza: un cuy de pelo crespo y un cuy de pelo liso

Parental)  PP    x    pp

Gametas) P   P      p   p

Cuadro de Punnet)      P          P

                             p     Pp       Pp

                             p     Pp       Pp

F1) 100 % de la progenie posee pelo crespo

     4/4 tienen genotipo heterocigoto.

2º Cruza: un cuy heterocigoto de la F1 y un cuy homocigoto recesivo

Parental)   Pp      x       pp

Gametas) P    p        p     p

Cuadro de Punnet)     P         p

                          p    Pp        pp

                          p    Pp        pp

F2)   50% de la progenie tiene pelo crespo

       50% de la progenie tiene pelo liso

       2/4=1/2 de la progenie es heterocigota

       2/4 = 1/2 de la progenie es homocigota recesiva.

Answer:

biotechnology

Explanation:

hope it help you

Answer:

biotechnology biotech

biological engineering biological science

Answer: Ascorbase a form of ascorbate, a drug used in the treatment of type 2 diabetes which acts to inhibit maltase a membrane bound enzyme that completes the digestion of starch in the human body.this inhibition is done through;

- By preventing substrates from binding to the active site therefore forming few enzyme complex substrates.

- it also inhibits the enzymes by binding to the active sites of that enzyme.

- it also does so by reacting slowly and also because it has a complementary shape to the active site of the enzyme maltase.

Answer:

I reckon it's part D.

Explanation:

Answer:

c) hypoglycemia

Explanation:

Hyperglycemia refers to the condition in which blood contains low amount of sugar or glucose molecules. The feeling of hunger, sweating and weakness of muscles are the symptoms of this disease and we know that the child has weak muscles so we can say that the child is suffering from hypoglycemia which is another disease that is present in the child.

Answer:

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Explanation:

Conjunctivitis is an inflammation, infection of the conjunctiva. It is the most common ocular disease worldwide.It is characterized by a pink appearance because of subconjuctival blood vessels hemorrhage.

Simply, we can define it as :

Conjunctivitis ( pink eye ) is an inflammation or infection of the transparent membrane ( conjunctiva ) that lines your eyelid and covers the white part of your eyeball.

Pink eye is commonly caused by a bacterial or viral infection , an allergic reaction or in babies.

The most common pink eye symptoms include:

Hope I helped !

Best regards!

Answer: Scientific theories can be backed up with evidence/data (the evidence that backs the theory isn't common knowledge to everyone yet), while a hypothesis is just an educated guess, meaning that you are making a prediction based on something already known.

They are both similar in the sense that they are questions that are answered by facts, but theories are answered with factual evidence rather than factual reasoning (hypothesis).

Answer:

It is 'C'

Explanation:

The chemical reaction that occurs in the chloroplast is:

6CO₂ + 6H₂O → C6H₁₂O₆ + 6O₂

The electromagnetic energy of sunlight is converted to chemical energy in the chlorophyll-containing cells of photosynthetic organisms. The granum stores the photon particles from light and converts its energy into chemical energy to convert carbon and water into glucose and oxygen.

Answer:

c

Explanation:

Answer:

Houseflies do not have chewing mouthparts like a cockroach or piercing-sucking mouthparts like a mosquito. They regurgitate digestive enzymes, soften and liquify the food material, and then they sop it up with their sponging mouthparts.

Hope this makes sense and helps

Answer: The cilia sweep out mucus and dirt so your lungs stay clear. Smoking temporarily paralyzes and even kills cilia. This makes you more at risk for infection. Smokers get more colds and respiratory infections than non-smokers.

Explanation:

The question is incomplete,below is the complete question.

Mr. B has been transferred to your floor to wait and see whether the chest tube allows his lungs to completely re-expand. But when he arrives, he is in severe respiratory distress. He says "I felt better before I came into the ER! Is this tube doing anything?"

You tell the Clinical Nurse Specialist (CNS). As the two of you move him into the bed, you notice that his chest tube bottle is lying on its side on the gurney, with air going into it. When you point this out to the CNS, she immediately grabs the bottle and sets it upright on the floor. You see air start bubbling through the fluid right away. "That was the problem!" she says. "They lost the water seal, and air was going into his chest from the bottle. You would not believe how many times that happens on transport." When you examine Mr. B, you have trouble detecting his lung sounds on the left. Even stranger, his apical heart sound is in the wrong place - it is over toward the right side of his chest. His respiration rate and heart rate are both increased, and he is struggling to breathe. "Let's give him a little oxygen. He'll be a lot better in a half-hour," says the CNS. "Check back on him."

QUESTION - Why would accumulation of air in his pleural space cause his heart sounds to be in the wrong place?

Accumulation of air in Mr B pleural space will cause his heart sound to be heard in the wrong place because the left side is his chest is being filled up with air making the organs in his chest to to be pushed over to the right side.

Answer:

C) density-dependent inhibition will cause the cells to divide until the dish is completely full

Explanation:

Just took the exam

Complete question reads;

Read the following paragraph from the article.

In soccer, Hai is a goal scorer who plays in forward positions, always keeping his eyes trained on the ball and chance to put one past a goalkeeper. He’s not above playing advantages. “(Other players) don’t want to hurt me,” he said. “I try to juke them.” His coach said opponents soon learn to play him honestly or pay the consequences.

Which idea is BEST supported by the above paragraph?

(A) Hai's coach recognizes that Hai needs to be protected from bullying.

(B) Hai is a very skilled soccer player who consistently outdoes his peers.

(C) Hai's coach wants Hai to understand that it is not acceptable to cheat to win a soccer game.

(D) Hai is sometimes underestimated by other players, and he uses this to his advantage.

Answer:

(C) Hai's coach wants Hai to understand that it is not acceptable to cheat to win asoccer game.

Explanation:

The expression, "pay the consequences" as used by Hai's coach indicates  his intention of letting Hai know the rules governing soccer; meaning there's a penalty when opponents hurt a rival player.

Interestingly, in the game of soccer, it is a foul to deliberately bring down your opponent. Major consequences arrive when a player receives a red card from the referee, due to an offense committed by the player; the red card indicates that the player would be sent out of the court.

Answer:

A single lineage diversifies rapidly, and descendant species occupy many habitats and ecological roles.

Explanation:

In biology, adaptive radiation refers to a phenomenon in which organisms tend to diversify rapidly from a common ancestor and then radiate into a multitude of new organisms.

These new organisms may have to change their environment in order to survive. This change in their environment creates new challenges and may lead to the appearance of new environmental niches.

Answer:

a branch of science concerned with the relationships between living things and their environment or the pattern of relationships between living things and their environment.

Explanation:

Answer:

first blank dependent

second blank independent

Explanation:

Light Dependent reactions depend on light and right independent reactions don't

Answer:

The correct answer is - option B.

Explanation:

The proximal convoluted tubule or PCT is the the part of nephron that lies in between of loop of Henle and bowman's capsule. The PCT is responsible for the most amount reabsorption of sodium, glucose, amino acids, water, potassium and chloride and reabsorbs around 65% to 100% of filtered substance.

Epithelial cells in the PCT reabsorb substances that have nutritional importance by the numerous microvilli on their surface.

Thus, the correct answer is - option B.

Answer:

It is called EXCRETION.

Explanation:

This is a process by which metabolic waste is removed from a living organism.

The excretory organs removes these waste.

Accumulation of these in the body is very harmful to our system.

Hope all these helps.

Answer:

Las plantas son productores primarios, mientras que los animales son consumidores

Explanation:

La cadena alimenticia está conformada por niveles tróficos donde la energía fluye desde los niveles basales representados por la base de la pirámide, hasta los niveles superiores (pico de la pirámide). De este modo, los organismos representan diferentes eslabones de acuerdo a su posición en la cadena alimenticia. En el primer nivel se encuentran los productores primarios como lo son, por ejemplo, las plantas y algas de ambientes terrestres y acuáticos, respectivamente, siguiendo por los consumidores primarios (por ejemplo, especies hervívoras), continuando sucesivamente por los consumidores secundarios, terciarios y cuaternarios (especies carnívoras), los cuales se encuentran en posiciones cada vez más altas de la pirámide. No obstante, es importante indicar que existen ocasiones donde los consumidores superiores (ya sea secundarios, terciarios y cuaternarios) se alimentan de especies situadas por debajo de diferentes niveles no consecutivos e incluso también de especies pertenecientes al mismo nivel trófico, con lo cual encajando en más de una categoría y dificultando su clasificación en la cadena.