Which of the following is the best evidence to support the belief that air is matter?

A you can't see air
B you can feel air blown from a fan
с air weighs nothing and has no mass
D air is what we breathe

Answers

Answer 1

Answer:

Explanation:Its C

Answer 2

We can feel air blowing from a fan because air is matter. It has its volume and mass. Thus, option B is correct.

What is the matter?

Something that has volume and mass is called matter, which occupies space and can be weighed. The matter is affected by gravity due to its mass. There are generally three states of matter and that are solid, liquid, and gas. Everything you can see is matter. It is made up of very fine particles and we can not see these particles by the eye.

Even if air can not be seen but it has a volume and it can be weighed. When we blow a balloon, air goes inside the balloon, and its size increases because air has, it takes up space and we can weigh the balloon.

We can feel wind because air is matter. Therefore, the correct option is B.

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Related Questions

please help A skeletal muscle is a composition of several components bundled one into the other. At which structural level in the muscle does contraction occur to bring about contraction in the whole muscle?
A.
myofibril
B.
muscle fiber
C.
myoneural junction
D.
tendon
E.
fascicle

Answers

Answer:

C. Myoneural Junction

Answer:

myofibril

Explanation:

got it correct!


The ability to "do work" (like move muscles, transport large molecules
across a membrane, etc.) requires
A- labor
B-will power
C-energy
D- photosynthesis

Answers

C.

you need energy to do anything

Which of the following statements correctly identifies a way in which prokaryotic cells are different from eukaryotic cells?

Answers

Answer:

Prokaryotic cell has undeveloped nucleus but eukaryotic cell has well developed nucleus.

Someone please help me out!!!!!
How do you think the body processes monosaccharides differently than polysaccharides? Would they take the same amount of time to digest and harvest energy?

Answers

Answer:

Polysaccharides from cell walls make up the fiber humans eat, while monosaccharides provide the sweetness in foods. As humans eat, chewing breaks down polysaccharides into smaller particles that eventually, through digestion, yield up the simple monosaccharides that can pass into the bloodstream.

Explanation:

how do you add a stain to a slide without lifting the coverslip?

Answers

Answer: Put a drop of stain on an outer edge of your cover slide. Place a piece of napkin or paper towel against the opposite side of your cover slip, right up against the edge. This will help draw the stain under the cover and across the specimen.

How are the sensory regions of the brain related to synesthesia?

Answers

Answer:

These “higher level” brain areas are most likely related to three different cognitive processes inherently part of synaesthesia: the sensory processes (with the sensory areas), the attentional processes especially controlling the binding process (within the parietal lobe), and the cognitive processes.

How is agrovoltaics different from floatovoltaics? How are they similar?

Answers

Answer:

they are very similar

Explanation:

Can someone help me?

Answers

Answer: C. flpid

Explanation:

A particle can infect humans and make them sick. It attaches to a host cell and injects its RNA, which the host uses to make proteins for the particle. This particle cannot reproduce on its own and can only copy itself by using the machinery of the host.

Which explains whether the particle described is a virus or a cell?

Answers

Answer: C. The particle is a virus because it has genetic information and can infect humans.

Explanation: edmentum answer coreect

Plants get energy from the sun while animals get energy from

Answers

Answer:

Animals get energy from food.

Answer:

Eating the plants, or other organisms.

16. Which is not a feature associated with valley glaciers?
horn
cirque
arroyo
arête

Answers

C. Arroyo. Hope that helps :)

What is the ancient language(s) found on the large stone tablet in Rosetta

Answers

Answer: Ancient Greek

Explanation:

Answer:

Ancient Greek

Explanation:

The Greek text on the Rosetta Stone provided the starting point. Ancient Greek was widely known to scholars, but they were not familiar with details of its use in the Hellenistic period as a government language in Ptolemaic Egypt; large-scale discoveries of Greek papyri were a long way in the future.

Choose the term that best matches the description given.
Molecules on the surfaces of cells


-herd immunities

-phagocytes

-lymphocytes

-endospores

-antigens

Answers

Answer:

Antigens

Explanation:

Herd immunity is not something found on the surface of a cell. It is something a whole herd or population develops in order to fight some disease.

Phagocytes are not found on the surface of any cell since they are cells themselves. They protect the body by ingesting particles, bacteria, and dead cells.

Lymphocytes are white blood cells

Endospores are made by bacteria and not located on the cell surfaces.

HELP PLEASE ill give you brainliest for the first one that's right

Answers

Answer: They don't go through photosynthesizes in winter.

Answer:

Photosynthesis actually occurs in the green parts of the leaf called chloroplasts. These chloroplasts are what give leaves their color. But as leaves start to lose their green colors in fall and winter, they can no longer do photosynthesis. However, there are some deciduous trees, such as aspens, that have green stems

Explanation:

What are the MAIN organs of the skeletal system?

A: Bones
B: Lungs
C: Heart
D: Muscles

Answers

Answer:

A.

Explanation:

The main organs of the skeletal system are bones, so A.

Answer: Bones and muscles

Explanation:

support and bind tissues and organs together. The skeleton serves as the main storage system for calcium and phosphorus.

At the DNA synthesis (G2) checkpoint, DNA replication is checked by Group of answer choices electron transport chains. repair enzymes. cell surface markers. receptor proteins. Flag this Question

Answers

Answer:

Receptor proteins

Which of the following is NOT a type of cell? *
A. Chemical
B. Plant
C. Animal

Answers

Answer:

chemicals isn't a type of cell

but there is plant and animal cells

Deforestation invites natural disasters. Give reason.​

Answers

Answer:

In addition to depleting resources for forest-dependent communities, deforestation is contributing to an increase in small-scale natural disasters. “That means when there's heavy rainfall, forest soil can absorb water underground and disburse it to streams

Hope it helps :)

Answer:

hope it helps..

Explanation:

In addition to depleting resources for forest-dependent communities, deforestation is contributing to an increase in small-scale natural disasters. ... “That means when there's heavy rainfall, forest soil can absorb water underground and disburse it to streams.

a paragraph about proof

Answers

Answer:

Paragraph proof format

The paragraph proof is a proof written in the form of a paragraph. In other words, it is a logical argument written as a paragraph, giving evidence and details to arrive at a conclusion.

how do you separate salt from sugar

Answers

you don’t it’s not possible

What is the most likely explanation for the results in the graph?

A. A large growth of algae used up the oxygen in the bay.
B. A toxic chemical killed off all the fish in the area.
C. The fish are harder to catch among the algae.
D. The fish migrated to better feeding grounds.

PLEASE HELPP

Answers

Answer:

Explanation:

B. A Large growth of algae used up the oxygen in the bay

Which structure is directly responsible for the formation of proteins within the cell.
O Golgi bodies
O Nucleus
O Ribosomes
O Mitochondria

Answers

Answer: ribosomes

Explanation:

i hope this help you

7. What is a hotspot?


A location in Earth's atmosphere with high temperatures


where molten magma rises to just underneath the surface of Earth, creating a bulge
or volcanic activity


where many minerals can be found naturally beneath the surface of Earth


a location in the ocean where water is heated by vents in the ground

Answers

Answer: It is B

Explanation:

The magma created from the heat pushes through cracks and forms volcanoes

Arrange the molecules in the correct order to complete the photosynthesis reaction.
glucose + oxygen --> carbon dioxide + water
O glucose + water --> carbon dioxide + oxygen
O carbon dioxide + water --> glucose + oxygen
oxygen + carbon dioxode --> water + glucose
HELPPP PLSSS 16 pointss!!!!

Answers

Answer:

carbon dioxide + water gives rise to glucose +oxygen

Explanation:

thisthis is because carbon dioxide and water are the raw materials needed for the photosynthesis which gives rise to glucose that is starch and sugar particles and oxygen which is released as a product

Answer:

oxygen dioxide + water --) glucose +oxygen

________ are individual organisms with a gastrovascular cavity and circle of tentacles that make up coral.
A) Polyps
B) Algae
C) Nematocytes
D) Planulae
E) Atolls​

Answers

I think it’s A. Hope this helps :)

What is a peer-reviewed journal?
A. It is a book more than 10 pages thick.
B. It is a journal that a jury has read.
C. It is a method to control bullying.
D. It is a publication of scientific articles in which every research article has been reviewed by other scientists.
E. It is a method that journalists use to make sure the research they publish uses the best knowledge currently available.

Answers

Answer: it is D. or E. or it could be both.

what came first the chicken or the egg

Answers

Actually....most common theory is that the chicken came first because...the egg shell can only be produced by a chicken not on its own....just a theory we still dont know

Eggs were found to evolve for over a billion years ago whereas chicken have been found to evolve around for just over 10,000 years. Thus, it can be concluded that eggs came first followed by the chicken.

What is Evolution?

Evolution can be defined as any net directional change or cumulative change in the characteristics or traits of an organism or populations over many generations in order to survive better in the surrounding environment.

Eggs come from chickens and chickens come from eggs. It is the ancient riddle. However, eggs are just the female sex cells which were supposed to have evolved more than a billion years ago, whereas chickens have been found to evolve around for just 10,000 years ago. Therefore, it can be said that the eggs have came first followed by chickens.

The amniotic eggs shows up to roughly 340 million or so years ago, and the first chickens evolving at around 58 thousand years ago at the earliest. Thus, eggs were around way before chickens even existed.

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Molecules 1 and 2 enter the cell and glucose leaves the cell through the process of ?

Answers

Answer:

-diffusion

Explanation:

Cells are usually surrounded by a bilipid layer called a plasma membrane. The membrane maintains selective permeability through the use of its transport proteins, pores and gated channels. Simple diffusion happens, as a method of passive transport, in cells through plasma membranes.  The solutes travel through the plasma membrane in the process of diffusion from regions of high concentration to regions of low concentration; this occurs without the use of energy.

The solutes move in a specific direction down their concentration gradient. Here, glucose moves out of the cell through facilitated diffusion, a form of passive transport using carrier proteins. The other molecules (1 and ) enter the cell across the membrane through simple diffusion due to their low molecular weight- these may move across the membrane at will, or use transport proteins.  

What is a direct effect of climate on soil formation?

A. rate of soil formation

B. type of soil formed

C. amount of soil erosion

D. amount of organic matter in soil

Answers

Climate is defined as the particular average pattern of the weather for several years. The climate is primarily affected by mountains, elevation, ocean currents, and latitude.

The effect of climate on soil formation will be:

Option B: type of soil formed

Soil is defined as the mixture of organic matter, gases, minerals, inorganic salts, and liquids that support life and cover the land.

Soil is primarily formed from weathering and erosion processes. The climate is one of the factors that affect soil development.

Climate affects soil development indirectly and also influences organisms. The high temperature and precipitation increase the rate of weathering and erosion. Thus, it leads to the development of soil.

Also, the heavy rainfall causes leaching, movement of clay particles, and increment in the organic matter also leads to the extent of soil formation.

Therefore, the correct answer is Option B.

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Answer:  The correct answer is A. rate of soil formation

Explanation:  This answer has been confirmed correct.

Climate determines how much soil forms and how quickly (the rate).

Which one of the following organisms eats a primary consumer in this food web?


This ixl it’s my last question so please don’t guess or it’ll start me over


Answers

Answer:

the triggerfish

Explanation:

they eat the darn selfish fish fish lol (damselfish) anyway: the eat the damselfish and that is a primary consumer because they eat a plant

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