In science class, your teacher opens a perfume bottle to model cell transport. She asks the students to identify the type of cell transport and to explain the method of movement. Which of the following is the best explanation for this model? *

A.) This model demonstrates osmosis, because the perfume molecules are moving from an area of high concentration to low concentration.
B.) This model demonstrates osmosis, because the perfume molecules are moving from an area of low concentration to high concentration.
C.) This model demonstrates diffusion, because the perfume molecules are moving from an area of high concentration to low concentration.
D.) This model demonstrates diffusion, because the perfume molecules are moving from an area of low concentration to high concentration.

Answers

Answer 1

C. The perfume molecules are diffusing around the room. As these molecules drift from each other they begin to diffuse around other gases like oxygen. This is why when you spray a perfume right in front of you it’s too concentrated (or too much) to breathe in but once the perfume is able to diffuse and spread out it is able to be smelled without hurting your nose!

Answer 2

it’s diffusion. diffusion goes from an area of high concentration to an area of low concentration. so the answer is c.

Related Questions

Ill vote branlliest!
How did migration lead to the population of the world?

Answers

The more people that came to a certain place gained its population, while the people that left decreased the population .

Climate Change Some of the biggest human migrations coincided with major changes in climate, according to a new analysis. Researchers say early humans set out in search of climates where more food was available. And some populations stayed put in certain locations because barriers like glaciers blocked their progress.

Is water wet????? Is it or not?

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Water is not wet. Wet is a feeling

i’m pretty sure it’s a liquid so yes?

Think of a time when you were extremely scared or nervous and experienced an adrenaline rush. Write about your experience below.

Answers

One day I was walking down a river with my friends. After a while of walking a 3 feet snake jumped out of the river and scared the living out of us. The snake left but the adrenaline rush made me jump onto a tree without planning to jump on the tree.

Once when I was 9 my friends and I were walking by a pond when we got a bad vibe so we left. While we were walking we spotted a ditch and decided to go and check it out. So when we were there we kept hearing wierd noises but thought it was just some birds or something. (Keep in mind there was a sorta tunnel that went under the road that lead from the ditch to the pond.) So my friend said he saw something in the tunnel and when we looked in the tunnel there was someone there looking back at us so we of the ditch and went to the playground nearby. We haven't gone back since, lol.

WILL BE MARKED BRAIN LOL

Answers

Answer:

Epithelial

Explanation:

i hope thats right sorry if its not

Epithelial that’s the answer it’s correct

I am a big oof lolllllllllllllllllllllllll

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Answer:

yes the answer is yes

Explanation:

Answer:is there even a question?

Explanation:

i need friends and I need a question answered and i give brainliest too what 3 characteristics of a mammal

Answers

Answer:

There are many characteristics of a mammal their hair and furs, young are fed by milk, and sweat glanced.

they give birth to young alive, warm blooded, have fur/hair!

Question in picture WILL MARK BRAINLIEST!!!!

Answers

Answer:

extinction and change in a species community

Explanation:

if a change happens in a species community it takes a while for them to readjust to the new community.

Second one B because if the environment changes the species would have to adapt and they will most likely lose their habitats

If an electron is gained, the atom has a _____ charge.

negative
positive

Answers

Answer:

negative

Explanation:

electrons have a charge of -1

Answer:

with a negative charge

Explanation:

HIII GIVING BRAINLIEST what is a 2 animal that don't have legs

Answers

Answer:Snake/worm

Explanation:

Heyoo

Snake and fish?

EASY HELP! WILL MARK BRAINLIEST! Humans role and impact in ecosystem?

Answers

Human impact on the environment includes changes to biophysical environments and ecosystems, biodiversity, and natural resources caused directly or indirectly by humans, including global warming, environmental degradation (such as ocean acidification), mass extinction etc.

Good Impact:

1. Humans garden, grow trees and plants. We also breathe out carbon dioxide, which “feeds” the trees. We impact the ecosystem by making it healthier by doing these things.

Bad Impact:

2. Humans sometimes litter and throw trash on the ground then it can make its way into the ocean. Due to this, the oceans that used to be beautiful are now full of trash and sea animals are swallowing and eating the plastic that we throw in. Making them die. Also this can kill the coral reefs which protects coastlines from damaging effects of wave action and tropical storms.

What happens when a cell reaches equilibrium with its environment?

A.) Nothing enters the cell
B.) Nothing leaves the cell.
C.) Nothing enters or leaves the cell.
D.) Molecules enter and leave the cell at the same rate.

Answers

Answer:

Explanation:

Even when equilibrium is reached, particles of a solution will continue to move across the membrane in both directions. However, because almost equal numbers of particles move in each direction, there is no further change in concentration. Hope i did it right _-_

D. Molecules enter and leave the cell at the same rate I think probably

Which of the following systems use the cardiovascular system for the transport of materials? excretory system digestive system endocrine system respiratory system immune system

Answers

Answer:

Endocrine System

Explanation:

The answer is Endocrine System

How did animals change to mimic others? this genuinely fascinates me and I want to know how they do it- like- the Viceroy Butterfly mimics the poisonous Monarch Butterfly. but- h o w - did they spend so much time watching the Monarch that they slowly became their look-alikes? how does mimicry happen over time....

Answers

my understanding is that they evolve over time, one could say adapt, to survive to mimic other creatures, im sure there are plenty of books you could borrow from a library or buy online to learn more, and there are different studies people have done you might be able to find free online!!!

Answer:

They evolve over time

Explanation:

Animals evolve over time to fit into their surroundings and to survive. This could take several generations though, because change doesn't happen over night. To put it simply, survival of the fittest. They have to fit in in order to survive, so they did exactly that.

Which element is chemically stable (inert)?

Answers

Answer:

Most Group 8 or 18 elements that appear in the last column of the periodic table (Helium, Neon, Argon, Krypton, Xenon and Radon) are classified as inert (or unreactive).

Explanation:

The noble gases, or the elements on the last column of the periodic table

BRAINLIEST Can a ocean wave freeze and i give brainliest and i want friends

Answers

Ocean water freezes just like freshwater, but at lower temperatures. Fresh water freezes at 32 degrees Fahrenheit but seawater freezes at about 28.4 degrees Fahrenheit, because of the salt in it. When seawater freezes, however, the ice contains very little salt because only the water part freezes. It can be melted down to use as drinking water.

Answer:

A wave can freeze, but it would need a lower, more intense cold to freeze it. This is because it has little salt. And for 2, sure? I don't know?

Explanation:

what is the answer to this question

Answers

if the width is increased it would be harder to stretch more force will be needed to stretch it

Answer:

Explanation:

you already told me that

ILL VOTE BRAINLLEST!!!!!!
What are the benefits of living in a permanent settlement vs. a nomadic settlement? Include at least three benefits.

Answers

Answer:

One of the most obvious advantages is being able to grow and harvest crops on land as a result of agriculture, rather than relying on natural landscapes to provide. Another is safety and security — you do not have to traverse potentially dangerous routes and can defend your land from your home. Finally, urban cultural centres are not possible when moving from place to place as you have to take everything with you. Permanent settlement allows advanced civilisations to develop.

Answer:

One of the most obvious advantages is being able to grow and harvest crops on land as a result of agriculture, rather than relying on natural landscapes to provide. Another is safety and security — you do not have to traverse potentially dangerous routes and can defend your land from your home. Finally, urban cultural centers are not possible when moving from place to place as you have to take everything with you. Permanent settlement allows advanced civilisations to develop.

Explanation:

The current science of classifying living organisms was developed by Mr. _____. Lavoisier Newton Linnaeus

Answers

Answer:

Antoine

Explanation:

Answer:Carl Linnaeus

Explanation:

To keep food from entering your lungs, the body's digestive and respiratory systems must work together.

Answers

Answer:

I'm not sure if not sure what the question is but I'll take a stab and say it was a true/false. The answer is true.

Explanation:

There's a tiny flap of tissue and it covers the airway when we drink or walk. Sometimes it may spasm or contract late and this is why sometimes people say, "It went down the wrong pipe!" hope this helps.

Your answer to this is true

Can you make water light enough to sink a cork? Explain.

Answers

yessir becaose it helps with tye omemnet of yhe blood veseeds while it also help s u breathe eastung and sinking not nice ❤️ hope this helpoed!

WILL MARK BRAINLIEST! What is the function of the wolverine in the mountain ecosystem?

Answers

Answer:

pThey are powerfully built and have short legs with wide feet for traveling across the snow. These animals are a vital part of ecosystems in northern climes, and a great ambassador of the wild places they inhabit and the melting snow they require.

hope it helps

plz mark as brainliest

The first reason is the role that the wolverine like every animal plays in the ecosystem. ... Wolverines are carnivores that primarily scavenge for their meals, meaning that they eat already dead animals.

Complete the following analogy. General is to army as nervous system is to body. TRUE OR FALSE

Answers

Answer:

true

Explanation:

true hope it helps :))

Not the answer I was looking for.

Answers

Answer:

Explanation:

Okay For which one ?

HI GIVING BRAINLIEST Are there nuclear reactions going on in our bodies?

Answers

Answer:

Yes

Explanation:

Yes, there are nuclear reactions always occurring in our bodies, but there are not that many of them compared to the chemical reactions, also they do not affect our bodies much.

Yes there are...........

In a step by step format, write about the process of the blood flow as it enters the heart until it leaves the heart. It should be at least 150 words.

Answers

First, unoxygenated blood enters the right atrium from the superior and inferior vanae cavae. Next the blood flows through the tricuspid valve into the right ventricle. From the right ventricle, the blood flows through the pulmonic valve into the pulmonary artery. The right and left pulmonary arteries then carry the unoxygenated blood to the right and left lungs for oxygen. The blood picks up a fresh supply of oxygen & releases carbon dioxide as waste. The now oxygenated blood flows through the pulmonary veins from the lungs into the left atrium. From the left atrium the blood flows through that bicuspid or mitral valve into the left ventricle. The left ventricle contracts, thus forcing blood through the aortic valve into the aorta for the distribution to the systemic circulation

Bob studies for a test and Jackie does not study. After the test, they compare their scores.
B : Independent Variable:
A : Dependent Variable:

Answers

Answer:

I: studying for a test

D: the score on the test

Explanation:

The independent variable would be studying for the test because it could change/it is controlled. The score on the test depends on how much they studying (i.e. dependent variable depends on the independent variable.)

The answer is b: independent variable

Plant cells use photosynthesis to make the organic compounds that their mitochondria and other organelles need. Where do you think animal cells get these same organic compounds from? How do their cells use these compounds?

Answers

The animals cells get their compounds by eating

The organelles called mitochondria in cells are capable of generating energy. Plants need mitochondria to make ATP from different chemical sources, even though they derive their energy from the Sun.

What organic compound synthesize in animal cell for energy?

Cellular respiration, a process that releases energy by mixing glucose and oxygen, is the method that all cells rely on to obtain their energy.

The process of releasing energy from meals takes place inside the body's cells during respiration.

As part of the respiration process, the body's cells absorb oxygen from the air, use it to produce energy by burning food, and then expel the waste materials (carbon dioxide and water) from the body.

Plants use the carbon dioxide exhaled during respiration for the process of photosynthesis. Animals do not use the carbon dioxide produced during breathing; instead, it is expelled outside the body.

Therefore, animal cells get these same organic compounds from cellular respiration.

Learn more about cellular respiration here:

https://brainly.com/question/14309048

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thank you for helping if you do

Answers

Answer:

Explanation:

These fish like to move from one body of water to another in search of food or a better living space

Answer:

its A

Explanation:

HII GIVING BRAINLIEST a person who studies the earth is called what

Answers

a person who studies the earth is called a geologist

Answer:

geologist

Explanation:

How are ciliated epithelial cells adapted to their function?

Super urgent best answer gets brainliest

Answers

Answer:

Ciliated cells are adapted in the respiratory tract to form an epithelial lining of coordinated metachronal ciliary activity that provides the propelling force for the transport of mucus along the airways.

HOPE IT HELPS !!

ciliated (meaning, they have cilia) epithelium (lining tissue) found in the lung facilitates the removal of foreign particles and debris from the lung. These cilia beat in a coordinated fashion to move molecules from the lower respiratory tract up to the trachea. Ciliated cells are adapted in the respiratory tract to form an epithelial lining of coordinated metachronal ciliary activity that provides the propelling force for the transport of mucus along the airways. This mechanism is central to the maintenance of patent airways and pulmonary homeostasis.
Cilia are tiny hair like structures on the surface of the cell. ... The hairs sweep hair, mucus, trapped dust and bacteria up to the back of the throat where it can be swallowed. Ciliated columnar epithelium is composed of simple columnar epithelial cells with cilia on their apical surfaces. These epithelial cells are found in the lining of the fallopian tubes and parts of the respiratory system, where the beating of the cilia helps remove particulate matter. It is covered with epithelial cells that protect your body by being a barrier between your internal cells and the dirt and microbes in the environment. They also are able to stretch so you can move your fingers and arms into many positions.

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