Question 19 (1 point)
Which of the following is an example that includes evidence of a chemical reaction?

Question 19 (1 Point)Which Of The Following Is An Example That Includes Evidence Of A Chemical Reaction?

Answers

Answer 1

Answer:

sugar that is burned off gives an odor and turns brown and then black is a chemical change


Related Questions

Which ones are correct?

Answers

Answer:

25%

Explanation:

One out of 4 boxes will have a large B, 25 x 4 = 100, thus your answer is 25%.

Answer #1 and will mark brainliest

Answers

Answer: This is because sharks are pregnant for 6 months to 2 years. Which decreases shark population due to slow birth rates. This also effects female sharks health die to the stress of carrying many sharks for up to 2 years. Most sharks die before or after giving birth. Overfishing for sharks is rapidly decreasing the shark population due to slow breeding but many fisherman. Less females and males are able to mate and sharks are pregnant for so long that the female has a high percentage of getting caught. In the long run more and more sharks are being killed each year which decreases sharks population for obvious and non obvious reasons.

Explanation:

The process of photosynthesis converts carbon atoms from carbon dioxide into

Answers

Answer:

GLUCOSE !!! Also known as C₆H₁₂O₆

Drag the tiles to the correct boxes to complete the pairs.
Identify the types of Inheritance based on the expression of alleles in the organism.
dominant
recessive
multiple
presence of many alleles for
the tralt to be expressed
presence of two alleles for
the trait to be expressed
presence of a single allele for
the trait to be expressed
Reset
Next

Answers

Answer:

Multiple

Recessive

Dominant

The presence of many alleles for the trait to be expressed is called "multiple allelism," the presence of two alleles for the trait to be expressed is called "recessive," and the presence of a single allele for the trait to be expressed is called "dominant."

What are the dominance and multiple allelic patterns?

There are different types of genes in animals and plants, such as some that have two copies of alleles, but if one is present, it can express itself in a heterozygous state, which is called a dominant gene because it can suppress the other allele, but some genes can only express themselves when there are many alleles, which are called multiple alleles.

Hence, the presence of many alleles for the trait to be expressed is called "multiple allelism," the presence of two alleles for the trait to be expressed is called "recessive," and the presence of a single allele for the trait to be expressed is called "dominant."

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Match each body to its best description:
black hole
?
a collapsed star that does
not let light escape
white dwarf
?
T
a star that has expanded
and cooled
red giant
?
an old, very dense, hot star
that is cooling
nebula
?
may collapse to form a
star

Answers

Answer:

Here u go

Explanation:

black hole=a collapsed star that does not let light escape

white dwarf=an old, very dense, hot star that is cooling

nebula=may collapse to form a star

red giant=a star that has expanded and cooled

Matching of each body to its best descriptions is given below:

Blackhole ---- a collapsed star that does not let light escape.White dwarf ---- an old, very dense, hot star that is cooling.Red giant ---- a star that has expanded and cooled. Nebula ---- may collapse to form a star.

What do you mean by a Star?

A star may be defined as any huge self-luminous cosmic body of gas that shines by radiation emanated from its internal energy sources.

These celestial bodies may provide some of the foundations and understanding of the mythologies, the system of religion, derivation of the earth's surface, etc.

Therefore, the matching of each body to its best descriptions are described above.

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facts, figures, and other evidence learned through observation are called

Answers

Answer:

Data- the facts, figures, and other evidence gathered through observations.

Explanation:

Animal cell
can you label what is what, please and thank you.

Answers

I believe this should help

Answer:

This Is a photo to help out.

Explanation:

Animals have an advantage over plants with the ability to move. What structure does animals not possess that allows us to be mobile?

Large central vesicle
Mitochondria
Chloroplasts
Cell Wall

Answers

Answer:
D. Cell wall
Large central vesicles

Complete the half reactions for the cell shown here, and show the shorthand notation for the cell by dragging labels to the correct position. the electrode on the left is the anode, and the one on the right is the cathode.

Answers

The question is incomplete, the complete question is;

complete the half reactions for the cell shown here and show the shorthand notation for the cell by dragging labels to the correct position. The electrode on the left is the anode, and the one on the right is the cathode.

in the left side there is a solution of Pbcl2(s) and it contains the elctrode pb and on the right side there is solution of AgCl(S) which contains the electrode Ag. There is inverted glass tube with Kcl (aq) on the left and and Kcl(aq) on the right.

Anode half-reaction:

Blank + 2Cl^- equilibrium arrow yields Blank + 2e^-

Cathode half reaction:

Blank +2e^- equlibriums arrow yields Blank + 2Cl^-

Shorthand notation: Please provide.

Answer:

Explanation:

Let us remember that oxidation occurs at the anode while reduction occurs at the cathode. This will guide our work here. The Pb(s)/Pb^2+(aq) is the anode while the Ag^+(aq)/Ag(s) is the cathode

Anode half-reaction:

Pb(s) + 2Cl^- ⇄  Pb^2+(aq) + 2e^-

Cathode half reaction:

2Ag^+(aq) + 2e^- ⇄  2Ag(s) + 2Cl^-

Overall reaction equation;

Pb(s) + 2Ag^+(aq)  ⇄ Pb^2+(aq) + 2Ag(s)

Shorthand notation;

Pb(s)/Pb^2+(aq)//Ag^+(aq)/Ag(s)

Question 4
1 points)
A scientist warms a chemical to 385 K, and the chemical begins to boil. How much higher is this boiling point of the chemical
than the boiling point of water?

Answers

12K is the boiling point of the chemical .

The boiling point of any liquid changes to the applied pressure the normal boiling point is the temperature at which the vapor pressure is equal to the standard sea-level atmospheric pressure .At sea level, water boils at 100° C (212° F).The boiling point of a liquid is the temperature at which its vapor pressure is equivalent to the pressure of the gas above it.

Boiling point is used to identify and classify a given compound. A liquid boils when its vapour pressure is equal to the atmospheric pressure. Vapour pressure is also defined  by the kinetic energy of a molecule. Kinetic energy is dependent on the temperature, mass and velocity of a molecule.

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In the Krebs Cycle of cellular respiration, pyruvate is used to make
A.oxygen
b. carbon dioxide
C water
D. More glucose

Answers

Answer:

b. carbon dioxide

Explanation:

This metabolic pathway is called the Krebs cycle after the scientist who first discovered it in 1937. The Krebs cycle is further broken down by pyruvic acid, obtained in the glycolysis process. The process proceeds in two stages. The first is the degree of decomposition of the bicarbonate residue.

The Krebs cycle is the main metabolic pathway for the breakdown of organic matter and the production of energy in the form of reduced coenzymes, which will then be incorporated into ATP.

What is the best thing to do when you're depressed?

Answers

Answer:

Here is the cause Life events. Research suggests that continuing difficulties – long-term unemployment, living in an abusive or uncaring relationship, long-term isolation or loneliness, prolonged work stress – are more likely to cause depression than recent life stresses.

And here is how you can prevent depression

Three of the more common methods used in depression treatment include cognitive behavioral therapy, interpersonal therapy, and psychodynamic therapy. Often, a blended approach is used.

Listen To Upbeat Music.

Get A Good Laugh. According to an article on Prevention, a study conducted by Stanford University showed that laughter increases dopamine in our brains, which is a chemical that elevates mood. . .

Walk Around The Block.

Declutter.

Give Someone A Hug.

Think About What Went Well.

Allow Yourself To Vent.

Hope this helps, have a great day/night, and stay safe!

Which is common to both photosynthesis and respiration?
es
)
A
NADH is produced by Krebs cycle
B)
Chemical energy is produced in the. form of ATP
Two ATP are formed by the process of glycolysis
D)
Glyceraldehyde-3 phosphate is produced by Calvin cycle,
Matter and Ener
Hot

Answers

Answer:

the correct answer is B.

Each circle represents an atom and each
different color represents a different kind of atom.
If two atoms are touching then they are bonded
together

A. Element
B.Compound
C. Mixture of elements
D. Mixture of compounds
E. Mixture of elements and compounds


Please help me!!

Answers

Answer:

D

Explanation:

If two atoms are bonded  together forming a compound.

When two elements combine together, it formed into a compound. The main difference between mixture and compound is that in compound, atoms bonded with each other chemically whereas in mixture, atoms combine together physically to each other. In compounds, atoms combine together in a fixed ratio whereas in mixture, atoms fuse together having no fixed ratio so we can conclude that compound is made up of two atoms.

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why is the earth called the water plant

Answers

Answer:

This is because Earth has 71 percent water.

PLEASE PLEASE PLEASE HELPPP DUE VERY SOONNNN!!!! In dogs, the gene for fur color has two alleles. The dominant allele (F) codes for grey fur and the recessive allele (f) codes for black fur.
3) The f e m a l e d o g is h e terozygous. The m a l e d o g is h o m o z yg ous recessive. Figure out the phenotypes and genotypes of their possible puppies by using a Punnett Square.

Answers

Answer:

Genotypes:

FF: 0%

Ff: 50%

ff: 50%

Phenotypes:

Black fur: 50%

Grey fur: 50%

When does
transcription
happen?

Answers

Answer:

Transcription begins when RNA polymerase binds to a promoter sequence near the beginning of a gene (directly or through helper proteins). RNA polymerase uses one of the DNA strands (the template strand) as a template to make a new, complementary RNA molecule. Transcription ends in a process called termination.

Explanation:

Transcription Initiation. The first step in transcription is initiation, when the RNA pol binds to the DNA upstream (5′) of the gene at a specialized sequence called a promoter (Figure 2a). In bacteria, promoters are usually composed of three sequence elements, whereas in eukaryotes, there are as many as seven elements ...

when RNA polymerase binds to a promoter sequence near the beginning of a gene

three factors that affect the jet stream

Answers

Answer:

The seasons of the year, location of low and high pressure systems and air temperature all affect when and where a jet stream travels.

Explanation:

someone Please help!! I'm not good at this stuff. I'll give brailniest

Answers

Answer:

What do you need help with?

Explanation:

What can you tell about the elements from the way they are ordered in the table?

Answers

A few things we can tell about the elements from the way they are ordered is: their atomic number, electron configuration, and their properties.

Hope this helps! (:

What does gyrase do during DNA replication?

Answers

Explanation:

DNA gyrase is an VERY important bacterial enzyme that catalyzes the ATP-dependent negative super-coiling of double-stranded closed-circular DNA. Gyrase categorized to a class of enzymes known as topoisomerases that are involved in the control of topological transitions of DNA. The mechanism by which gyrase is able to influence the topological state of DNA molecules is of inherent interest from an enzymological standpoint.  Much attention has been focused on DNA gyrase as the intracellular target of a number of antibacterial agents as a paradigm for other DNA topoisomerases.  Current knowledge concerning DNA gyrase by addressing a wide range of aspects of the study of this enzyme.  I hope this makes sense to you!

Helpppppp plz answer if u know why what an ecosystem with more secondary consumers then primary consumers or producer be a bad thing? Mark brainliest if u know

Answers

secondary consumers are organisms that eat primary consumers. so, if they are more secondary consumers then, they would eventually take over all the primary consumers. then, once they eat all the primary consumers that leaves them hungry & they eventually die off. which leaves the next organism in the food chain (tertiary consumers) to have nothing to eat once the secondary consumer dies. so, basically if they are more secondary consumer than, primary it would cause the food chain to corrupt & all the organism to dis

your brain and neurons are in constant action, sending billions of ___________and________messages each day to keep everything, from deep recesses of the brain to the remote wilderness of your toes in touch
halp me ;-;

Answers

Answer:

Until recently, most neuroscientists thought we were born with all the neurons we were ever going to have. As children we might produce some new neurons to help build the pathways - called neural circuits - that act as information highways between different areas of the brain. But scientists believed that once a neural circuit was in place, adding any new neurons would disrupt the flow of information and disable the brain’s communication system.

In 1962, scientist Joseph Altman challenged this belief when he saw evidence of neurogenesis (the birth of neurons) in a region of the adult rat brain called the hippocampus. He later reported that newborn neurons migrated from their birthplace in the hippocampus to other parts of the brain. In 1979, another scientist, Michael Kaplan, confirmed Altman’s findings in the rat brain, and in 1983 he found neural precursor cells in the forebrain of an adult monkey.

These discoveries about neurogenesis in the adult brain were surprising to other researchers who didn’t think they could be true in humans. But in the early 1980s, a scientist trying to understand how birds learn to sing suggested that neuroscientists look again at neurogenesis in the adult brain and begin to see how it might make sense. In a series of experiments, Fernando Nottebohm and his research team showed that the numbers of neurons in the forebrains of male canaries dramatically increased during the mating season. This was the same time in which the birds had to learn new songs to attract females.

Why did these bird brains add neurons at such a critical time in learning? Nottebohm believed it was because fresh neurons helped store new song patterns within the neural circuits of the forebrain, the area of the brain that controls complex behaviors. These new neurons made learning possible. If birds made new neurons to help them remember and learn, Nottebohm thought the brains of mammals might too.

Other scientists believed these findings could not apply to mammals, but Elizabeth Gould later found evidence of newborn neurons in a distinct area of the brain in monkeys, and Fred Gage and Peter Eriksson showed that the adult human brain produced new neurons in a similar area.

For some neuroscientists, neurogenesis in the adult brain is still an unproven theory. But others think the evidence offers intriguing possibilities about the role of adult-generated neurons in learning and memory.

if wrong report me

Which scenario shows a division of labor?

O A. In the lunchroom line in the school cafeteria, two workers serve the food to all the students.
O B. On an assembly line at a car factory, some workers attach windows todays while others paint the cars.
O C. At the toll stops on a major road, one worker collects money in one toll booth while another worker collects money in a different toll booth.
O D. At the museum, there are always several people available to provide guided tours for people who are interested in learning more about the museum's collections.​

Answers

Answer:

B. On an assembly line at a car factory, some workers attach windows to while others paint the cars.

Explanation:

This chart illustrates the type and number of items collected during a clean up of a beach. Based on the chart, what approximate percentage of the total items result from the action of people?

Answers

Answer:

50%

Explanation:

Based on this chart, the approximate percentage of the total items that result from the action of people is 70% - 80%.

What is a pie chart?

A pie chart can show the method by which a total amount can be divided between the levels of a categorical variable as a circle is divided into radial slices.

Each categorical value is corresponding to a single slice of the circle, and the size of each slice, both in the area and arc length, is indicative of the proportion of the whole that each category level will take.

Pie charts have comparatively limited cases of use this is encapsulated particularly accurately according to its definition.

So, for the utilization of a pie chart, one must have some kind of a whole amount that is divided into a number of distinct parts. These are represented by various sections.

Therefore, based on this chart, the approximate percentage of the total items that result from the action of people is 70% - 80%.

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which process is best illustrated by the diagram?

Answers

Answer:

Photosynthesis

Explanation:

bc thats how plants like it uwu

Photosynthesis is illustrated by the diagram.

What is photosynthesis?Photosynthesis is a process through which plants and other organisms transform light energy into chemical energy, which is then released to power the organism's activities through cellular respiration.6CO2 + 6H2O = C6H12O6 + 6O2 Above equation is a typical representation of photosynthesis. This signifies that light energy captured by chlorophyll (implied by the arrow) converts the reactants, six carbon dioxide molecules and six water molecules, into a sugar molecule and six oxygen molecules, the products as shown in the picture provided.

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PLZ HELP (30 POINTS)




Which of the following is a direct benefit of using agriscience to optimize land use for animal grazing?

Reducing soil degradation
Inventing new fertilizers
Updating irrigation
Increasing climate change

Answers

Answer: The answer is D Increasing climate change

Explanation: Which of the following is a direct benefit of using agriscience to optimize land use for animal grazing? hope this helps man

D

Explanation:

i think that's the answer

Outputs of photosynthesis

Answers

Answer: carbon dioxide, water molecules, glucose, and oxygen

Explanation: Energy is used to convert carbon dioxide into oxygen and glucose.

Based on the data provided in the graphical model, predict the current that would flow through a circuit, similar to the
ones studied, that is powered by a battery with a voltage of 15 V.
A.15 ampere
B. 25 ampere
C.36 ampere
D. 60 ampere

Answers

Answer:a is the answer I’m sorry if I got it wrong

Think about the variety of biomes on Earth and differences in their weather patterns. Which list shows environments from highest
average temperature to be lowest average temperature?


A) swamp, mountain, desert

B) swamp, desert, mountain

C) desert, swamp, mountain

D) mountain, desert, mounatin

Answers

Answer:

C

Explanation:

hope this helps

The list of biomes that shows environments from the highest average temperature to the lowest average temperature is desert, swamp, and mountain. Therefore, option C is correct.

What are biomes?

Since they belong to certain areas or zones that, due to their geographical characteristics, share a climate, vegetation, and wildlife, biomes provide the primary support for the harmony of nature.

Any biome can include a wide range of habitats because the term "biome" is more general than "habitat." An area's climate and geography determine the biome classification. Communities that have adapted to the unique climate and ecology of the biome make up each one. Depending on the surroundings, they come in a variety of forms. The temperate deciduous biome is the ideal environment for human habitation.

The list of biomes that shows environments from the highest average temperature to the lowest average temperature is desert, swamp, and mountain. Therefore, option C is correct.

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