Answer: Independent variable is the Vitamin C and the ashy skin is the dependent variable.
Explanation:
We can change or manipulate the independent variable of the reaction and such change can be observed on the dependent variable. The dependent variable yields the results of the experiment and changes in the dependent variable must be observed attentively to frame the results.
Here, vitamin C is the independent variable whose affect has to be observed on the ashy skin which is the dependent variable of the experiment. Steps of the experiment:
1. We can apply Vitamin C in a form of solution on the ashy skin.
2. Observe the changes on the skin directly and apply for 2-3 times in a day.
3. Observe the changes on the skin after a week.
how can you use the electron configuration to determine the number of valence electrons
Here, we are required to explain how the electronic configuration can be used to determine the number of Valence electrons.
The algebraic sum of electrons in the highest energy level in an electron configuration is the number of Valence electrons of the element.Valence electrons simply refers to electrons present in the outermost shell of an element.
Valence electrons simply refers to electrons present in the outermost shell of an element.The electron configuration is a representation of the arrangement of electrons in the atomic orbitals of an element.
The number of electrons present in the outermost shell as evident from the electron configuration can be used to determine the Valence electron in the elements.Fir instance: the electron configuration of potassium; 1s² 2s² 2p⁶ 3s² 3p⁵
The algebraic sum of electrons in the energy level 3 therefore is the number of Valence electrons.
Read more:
https://brainly.com/question/17678749
what is transport system?short answer in plants
Which of the following will occur?
A: Water will love from side A to side B.
B: Water will move from side B to side A.
C: The solute will move from side A to side B.
D: The solute will move from side B to side A.
Answer:
The answer is D
Explanation:
Please Help Me!!!
Which of the following is TRUE about the flagellum?
The flagellum is a hair-like structure present within the bacterial cell wall.
The flagellum is made up of flagellin proteins.
The flagellum is made up of carbohydrates.
The flagellum is not a mode of locomotion.
Answer:
So with the explanation the first or second statement might be true.
EXPLANATION:
a slender threadlike structure, especially a microscopic appendage that enables many protozoa, bacteria, spermatozoa, etc.
HOPE THIS HELPS SORRY I COULDNT GIVE YOU MORE INFO!
Answer:
A
Explanation:
i took the test
Explain how the double helix structure of DNA aids in the function of replication.
Answer:
DNA is made up of a sugar phosphate backbone .
it has4 bases namely adenine ,thymine ,guanine and cytosine shortened to A T G C
adenine and thymine are connected by 2 hydrogen bonds and guanine and cytosine are connected by 3 hydrogen bonds
the two strands are anti parallel in nature ie, if one strand is from 3 to 5 the strand is from 5 to 3.. there are three types of DNA depending on the environment... they are adna bdna and zdna
Explanation:
hope it helps....
good luck
Food labels provide which of the following information
A. Number of servings
B. Calories per serving
C. Vitamin and mineral content
D.All of the above
Are state changes chemical or physical changes? Provide an example of a state change and explain why it is a chemical or physical change.
Answer:
physical
Explanation:
example: water freezing into ice
there is no change in the chemical properties, frozen water is still water
HELP PLEASE! WILL GIVE BRAINLY! Describe a strong, bond in which electrons are unevenly shared between two atoms due to a different in electronegativity. A. Adhesion b. Hydrogen bond c. Polar covalent bond. Ionic bond
Answer: Polar covalent bond
Explanation:
In ionic compounds, electrons are transferred between atoms of different elements to form ions. But this is not the only way that compounds can be formed. Atoms can also make chemical bonds by sharing electrons equally between each other. Such bonds are called covalent bonds
Which statement describes the effect that a DNA mutation most likely has on an organism?
Answer:
is it multiple choice?
HELPPPP PLEASEE
Most S-waves from an earthquake disappear at a distance of about 11,500 kilometers from the epicenter of the earthquake. Explain why this occurs in terms of structure of Earth's interion.
Answer:
When an earthquake occurs the seismic waves (P and S waves) spread out in all directions through the Earth's interior. Seismic stations located at increasing distances from the earthquake epicenter will record seismic waves that have traveled through increasing depths in the Earth.
Seismic velocities depend on the material properties such as composition, mineral phase and packing structure, temperature, and pressure of the media through which seismic waves pass. Seismic waves travel more quickly through denser materials and therefore generally travel more quickly with depth. Anomalously hot areas slow down seismic waves. Seismic waves move more slowly through a liquid than a solid. Molten areas within the Earth slow down P waves and stop S waves because their shearing motion cannot be transmitted through a liquid. Partially molten areas may slow down the P waves and attenuate or weaken S waves.
When seismic waves pass between geologic layers with contrasting seismic velocities (when any wave passes through media with distinctly differing velocities) reflections, refraction (bending), and the production of new wave phases (e.g., an S wave produced from a P wave) often result. Sudden jumps in seismic velocities across a boundary are known as seismic discontinuities.
Within the Earth, molten areas slow down P-waves and stop S-waves because shearing motion of the waves cannot be transmitted through a liquid.
Earthquake cause the seismic waves (P and S waves) that spread out in all directions even in the Earth's interior. Seismic waves move more slowly through a liquid than a solid.
Within the Earth, molten areas slow down P-waves and stop S-waves because shearing motion of the waves cannot be transmitted through a liquid.
Therefore, most of the S-waves of an earthquake disappear about a distance of 11,500 km from the epicenter.
To know more about S-waves,
https://brainly.com/question/19091422
Elderly people fear dependency because
they lose their independence,
b. their status in society changes.
it necessitates new role behaviors.
all of the above
d.
I would say the answer is D
I hope this helps :)
According to the question, Elderly people fear dependency because all of the above.
What are old people worried about?Fear of losing independence as they grow older is a key concern across the ages. whether that could mean losing memory, being in poor health or not having financial security.
Thus, option "D" is correct.
To learn more about dependency click here;
https://brainly.com/question/13431577
Describe the chloroplast structure.
Answer:
The chloroplast has an inner and outer membrane with an empty intermediate space in between. Inside the chloroplast are stacks of thylakoids, called grana, as well as stroma, the dense fluid inside of the chloroplast. These thylakoids contain the chlorophyll that is necessary for the plant to go through photosynthesis.
Explanation:
Which type of cell is pictured on the right?
eukaryotic
prokaryotic
eukaryotic because it is nuclear
State the relationship between particle size and porosity
helppp
Answer:
The shape and size of the particles affect the way that they pack together in a certain amount of space, which affects a rock's porosity. ... But rocks change over time. When enough pressure, or force, is put on a rock, the pressure can make the rock pack its particles closer together.
Explanation:
I looked it up on google.
Answer:
the larger the particles the harder it is to pack the atoms together, however with the help from exterior forces they can be forced together.
Explanation:
List three solutions that scientists are suggesting to solve the problems caused by monoculture farming.
Answer:
Three solutions that scientists are suggesting to solve the problems caused by monoculture farming is planting heirloom plants, practicing organic farming with a diversity of plants, and using genetically modified organisms.
Explanation:
Why do scientist study ice cores
Select all that apply
To study Earth's past climates
To study how Earth's climate is changing now
To study how climate typically stays the same
To study how it might change in the future
Answer:
to study earth's past climate
Answer:
Explanation:
Air bubbles and dust get trapped in ice as it forms. And the ice in some places, like Antarctica, has stayed frozen for over a million years. Scientists drill holes in the ice and remove ice cores. Each year's worth of ice forms a layer within the core.
The material trapped in ice layers gives information about the climate at that time. Scientists study the layers to learn about past temperatures and precipitation. They can learn how the amount of carbon dioxide in the atmosphere has changed over time. The layers also reveal when events such as volcanic eruptions have taken place.
What is meant by "true nucleus".
it simply means the cell's DNA is surrounded by a membrane. therefore the nucleus houses the cell's DNA and directs the synthesis of the proteins and ribosomes the cellular responsible for protein synthesis.
a genetic mutation caused a newt to have faster reflexes. after generations, most of the newt population has the reflex mutation. what most likely caused this change
Answer:
Newts with the mutation are better able to survive and reproduce than newts without the mutation.
Explanation:
Which of the following procedures demonstrates repetition?
Marco places a toy car at the top of a ramp. He releases the car and measures how long it takes for the car to reach the bottom of the ramp. Then, he returns the car to the top of the ramp, releases the car again, and makes an additional measurement.
Monomers are the building blocks of larger molecules called polymers. A polymer consists of repeating monomers bonded to each other with covalent bonds.
Use the draw pad to connect each monomer to its polymer.
Answer:
Explanation: It connects to each one shown below. All correct.
The monomer of DNA is a nucleotide. The monomer of glucose is carbon, hydrogen, and oxygen.
What are monomers and polymers?The simplest form of polymers is monomers. To create polymers, each monomer is combined. Usually, a double bond or triple bond holds the monomer together.
Typically, monomers contain two free electrons that pair together and create a double bond among themselves. The monomers of cellulose are an example of a monomer and contain glucose.
A monomer is a molecule that, when combined with additional monomers of the same kind, can create a polymer, such as glucose (C6H12O6). A biological polymer made of several -glucose units is cellulose, which serves as an illustration of this.
Therefore, the monomer of DNA is a nucleotide. The monomer of glucose is carbon, hydrogen, and oxygen. The monomer of their polymers is matched in the added picture.
To learn more about monomers, refer to the link:
https://brainly.com/question/18784783
#SPJ2
In which of the following cell structures are the Drosophila chromosomes
(DNA) located?
A. Lysosomes
B. Nucleus
C. Ribosomes
D. Vacuole
Answer:
DNA is found in the nucleus. So B.
Explanation:
DNA is found in chromosomes and chromosomes are found in the nucleus because the nucleus is basically the DNA of a cell.
In the nucleus, cell structures are the Drosophila chromosomes (DNA) located. The correct option is B.
What is chromosomes?The thread-like components known as chromosomes are found in the nucleus of both animal and plant cells. Protein and a single molecule of deoxyribonucleic acid make up each chromosome (DNA).
DNA is passed down from parents to children and contains the precise instructions that give each kind of living thing its individuality.
a component that can be found in a cell's nucleus. Proteins and DNA are arranged into genes on a chromosome. There are typically 23 pairs of chromosomes in each cell.
One chromosome is made up of one protein and one DNA molecule. Different chromosome sizes can be packed together into a nucleus thanks to proteins called histones.
The DNA for the Drosophila chromosomes is found in the cell's nucleus.
Thus, the correct option is B.
For more details regarding chromosomes, visit:
https://brainly.com/question/1596925
#SPJ2
Can you please answer this NEEDS answers and work
Answer:
1. (a) protons (b) neutrons (c) electrons
2. positive +, protons. negative -, electrons. no charge 0, neutrons.
3. periodic table
4. 2 atoms
5. chemistry
6. 6 atoms, 4 hydrogen and 2 oxygen
7. oxygen
8. H2O
i dunno the answers for the rest but i hope this helped :)
When are electrons able to be pushed and move freely
match the type of river to to its best description.
Answer:
Old rivers-Have many meanders
Young rivers-Carry large objects
Mature rivers-Carry medium-sized objects
The following are the correct matches:
Old rivers-Have many meandersYoung rivers-Carry large objectsMature rivers-Carry medium-sized objectsWhat are rivers?Rivers are bodies of flowing water that are typically found on the surface of the Earth. They are formed by the accumulation of precipitation, such as rain or snow, in a specific area and flow in a defined channel towards an ocean, a lake, or another river. Rivers can vary greatly in size and length, with some being just a few meters wide and a few kilometers long, while others can be several kilometers wide and thousands of kilometers long.
They are an important resource for humans and other living organisms, providing water for irrigation, drinking, and industrial uses, as well as serving as habitats for a wide variety of plant and animal life. Rivers also shape the land they flow through, eroding and depositing sediment, and creating features such as valleys, deltas and canyons.
Learn more about rivers, here:
https://brainly.com/question/11260945
#SPJ5
A shadow is caused when an object blocks sunlight. For example, when your body blocks sunlight, you may see a shadow of yourself on the ground. How do you think the shadow of an object, such as a flagpole, would change over the course of the day as the Sun appears to move across the sky?
Answer:
The position of the sun affects the change in the direction and size of the shadow of the object. When sunlight is blocked by and object a shadow forms, as the earth moves on its axis daily it looks like the sun rises in the east and sets on the west.
When the sun is low in the sky the more light is blocked by an object which means the shadow will be longer and shadow will always point far from the direction of the sun.
In the morning sun is in the east so the shadow will be towards the west in the morning, shadows are long and point northwest and at noon, shadows are short and point north late afternoon shadows are long and towards the northeast.
Answer:
M
Explanation:
Tonya is modeling the discovery of electromagnetic induction. Which procedure should she use?
O moving a magnet into a coil of wire in a closed circuit
O moving a magnet into a coil of wire in an open circuit
O bringing a compass near a wire that has no electric current
O bringing a compass near a wire that has an electric current
Answer:
Moving the MAGNET to a CLOSED circuit
Explanation:
Answer:
A
Explanation:
13. The geological theory that states that pieces of Earth's outer layer are in
constant, slow motion is the theoryof *
subduction.
plate tectonics.
sea-floor spreading
deep-ocean trenches.
Answer
sadc
Explanation:
sdsdsdd
The model illustrates a process by which a substance is taken up by a cell. Which statements describe the process? Select the correct answer. a. The cell wall shown in the model is changed into a cell membrane. b. The process shown in the model requires energy from the cell. c. The cell membrane in the model remains intact throughout the process. d. The model shows the process of facilitated diffusion.
Answer:
The process shown in the model requires energy from the cell.
Explanation:
Active transport refers to the movement of materials across the cell membrane against concentration gradient.
The cell membrane remains intact. However, energy is required from within the cell to move materials into the cell against concentration gradient, hence the answer.
Answer: It's A I took the quiz and I chose A. I got it right.
Explanation:
What is the mechanism that allows species to change over time?
Answer:
evolution
Explanation:
Natural selection is a mechanism that drives evolutionary change. Simply put, it is the survival of traits that are favorable to an organism within its environment. Think of it in terms of the example above with the mice.
What happens to macromoleclues from food during digestion
