Why can some things burn while other things cannot

Answers

Answer 1

Answer:

It is because of the chemical reaction taking place between the substance burning and the air just above it . ... This happen in many cases when the substance like sulfur because of the process called combustion of heat


Related Questions

Question 2/7
What level of ecological organization is this?
A. Individual
B. Population
C. Community
D. Ecosystem

help me please help me please​

Answers

it is c because everyone is gathering together in one place

Keystone species affect the populations of many other species in a community.
True
False

Answers

Answer:

True

Explanation:

He map shows crops that were grown by early humans. A map titled Plant Domestication by Early Humans. A world map shows the Equator line. Shaded regions show the location of domesticated plants. Shaded regions begin near the equator and continue north for approximately one quarter of the map. What conclusion can be drawn from the map about farming by early humans?

Answers

Answer:

b

Explanation:

diffusion of water through a membrane

Answers

Answer:

osmosis

Explanation:

Answer:

Explanation:

Osmosis is a type of simple diffusion in which water molecules diffuse through a selectively permeable membrane from areas of high water concentration to areas of lower water concentration.

plz mark as brainliest

discuss how temperature and amount of precipitation can affect the type of plants and animals found in the tundra biome.​

Answers

Most organisms are adapted to live within a particular range of temperatures and will not survive at temperatures too far above or below their range. Precipitation also limits the organisms that can be found in a biome because all organisms need water, and the bigger the animal, the more water it needs.

Identify the characteristics of life. Check all that apply.

Answers

Answer:

* Having cells

* Use energy

* Reproduce

* Respond to the environment

* grow and develop Cells

Explanation:

Answer:

-Has one cell or more

-Use energy

-Reproduce

-Grow and develop

-Respond to the environment

what is a molecule
a) one atom of an element
b) different element mixed together but not linked to eachother
c) a group of gasses linked together
d) a group of different kinds or same kinds of atoms linked together ​

Answers

Answer:

d bro

Explanation:

dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD             :D

Answer:I think the answer is C. Explanation:What is a molecule?

A group of atoms bonded together, representing

the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.

What is the difference between velocity and acceleration?
A. Acceleration only occurs when speed changes.
B. Velocity is speed in a certain direction. Acceleration is a change in velocity.
C. Velocity tells the amount of acceleration an object is experiencing.
D.Velocity is a change in acceleration. Acceleration is velocity in a certain direction.

Answers

Answer:

B

Explanation:

what are some environmental effects of open pit mining?

Answers

The effects of open-pit mining and mineral processing plants on the environment include land degradation, noise, dust, poisonous gases, pollution of water, and more hope that help you

Answer:

pit mining exposes rocks that have been buried for millions of years and these rocks are crushed and when they are crushed they release radioactive elements and other air pollutants into the air.

Explanation:

got me 100 on edge

what does DNA use to store information​

Answers

Answer:

DNA stores biological information in sequences of four bases of nucleic acid — adenine (A), thymine (T), cytosine (C) and guanine (G) — which are strung along ribbons of sugar- phosphate molecules in the shape of a double helix.

Explanation:

DNA uses the complimentary base pairs  to store information​ in organisms.

The base pairs comprises of the nucleic acid include adenine (A), thymine

(T), cytosine (C) and guanine (G) .

The base pairs contain unique amino acid sequences which represent a

unique trait in organisms. Any alteration in this pair will lead to a different

result or mutation which is why it is very important and has to be rightly

paired .

Read more on https://brainly.com/question/18247619

Paulo has always had issues with food sensitivities, so he has decided that a career as a dietitian would interest him. What requirements should Paulo anticipate if he wants to pursue this as his career?

1. over six years of formal education followed by a residency and licensing
2. a bachelor’s degree, on-the-job training, and possibly a certification
3. an associate’s degree, on-the-job training, and possibly a certification
4. medical school, on-the-job training, and a certification process

Answers

Answer:

2. a bachelor’s degree, on-the-job training, and possibly a certification

Explanation:

Answer:

The requirements Paulo should anticipate is option 2. a bachelor’s degree, on-the-job training, and possibly a certification.

Why option 2 is correct?

Registered dietitian (RD) is a popular career choice for many interested like Paulo in health and wellness.The first step to become a registered dietitian is to earn a degree in the area of nutrition and obtain a verification statement.And for this bachelors degree or masters degree is mandatory.

Learn more about career requirements below

https://brainly.com/question/17029174

#SPJ2

How is does the property of cohesion make farming possible?

Answers

It makes it possible by providing the necessary resources

Which statement best describes the cell membrane of a living cell?
A) It is composed of proteins and carbohydrates
B) It has the same permeability to all substances found inside or outside the cell.
C) It is a double protein layer that doesn't allow things to pass through it.
D) It selectively regulates passage of materials into and out of the cell..

Answers


Answer: The cell membrane of a living plant cell ( selectively regulates the passage of substances into and out of the cell (option D). Explanation: The plasma membrane in a living plant cell is composed of a double lipid layer that gives it hydrophobic character and acts as a semi- permeable barrier. The partial permeability of the substances allows regulating the passage of substances from and to the interior of the cell. At the level of the plasma membrane there are several mechanisms and transport to allow the entry of substances needed for the cell or the output of synthesized products or metabolic waste, thus regulating the passage of substance in a selective way.

D) It selectively regulates passage of materials into and out of the cell.

The plasma membrane in a living plant cell is composed of a double lipid layer that gives it hydrophobic character and acts as a semi- permeable barrier. The partial permeability of the substances allows regulating the passage of substances from and to the interior of the cell. At the level of the plasma membrane there are several mechanisms and transport to allow the entry of substances needed for the cell or the output of synthesized products or metabolic waste, thus regulating the passage of substance in a selective way.They keep toxic substances out of the cell.They contain receptors and channels that allow specific molecules, such as ions, nutrients, wastes, and metabolic products.

Therefore, correct option is D)

Learn more:

brainly.com/question/13948570

Compare and contrast the two types of tsunami

Answers

There are several different kinds of seismic waves, and they all move in different ways. The two main types of waves are body waves and surface waves. Body waves can travel through the earth's inner layers, but surface waves can only move along the surface of the planet like ripples on water. Earthquakes radiate seismic energy as both body and surface waves.

The hardest coal has the most energy and burns the cleanest. Where do coal miners find the HARDEST coal?

A. on the surface of the earth

B. in the oceans

C. deep beneath the earth’s surface

D. at the bottom of shallow lakes and rivers

Answers

Answer:

C

Explanation:

This coal will be more compact and therefore most of the water and CO2 has been expelled due to this. This coal is called Anthracite and burns the cleanest. It is often found in areas with high stress and lots of pressure so mainly far underground. Why do you think the the majority of mines are underground and not open sites? So that they can get to the best coal the most economic and ergonomically way possible

Mario and several friends spend a day at the beach. While watching the ocean waves crashing to shore, Mario wonders how much of the world's water is contained in different types of bodies of water such as oceans, lakes, and rivers. He decides to research the percentage of Earth's water found in different locations. Which does his research reveal? Multiple choice question. A) Less than 3 percent of Earth's water is freshwater containing no salt. B) The ice caps located at both poles contain 30 percent of Earth's water. C) Fifty percent of Earth's water is in oceans and the glaciers at the poles. D) Ninety percent of Earth's water is in lakes, rivers, and groundwater.

Answers

Answer:

A

Explanation:

The correct answer here would be that less than 3 percent of Earth's water is freshwater containing no salt.

Generally speaking, about 71 % of the earth is made up of water. Out of this percentage, approximately 97 % is found in the oceans with less than 3 % being freshwater. About 68.7 % of the freshwater is locked-up as glacier and ice, 30.1 % is groundwater, while the remaining 1.2 % represents surface and other forms of freshwaters which include ground ice and permafrost, lakes, atmosphere, rivers, swamps and marshes, soil moisture, and the freshwater in living organisms.

The correct option is A.

What does the word optimal mean

Answers

Answer:

best or most favorable; optimum

Explanation:

To be honest i copied it from the internet

Which is erosion taking place on the river diagram: A or B? (idk which subject to pick :/)

Answers

Answer: I think A!

Explanation: Because of the waters force, it would be wearing down on A, because of the way this river is shaped :) please let me know if this helps! Have a great night and good luck!

Huntington's disease is caused by the allele H, which is completely dominant to the normal recessive allele h. Consider a couple where the man has the genotype Hh, and the woman has the genotype hh. What is the chance that their first child will develop Huntington's disease?

50%

0%

25%

75%

Answers

Answer:

25%

Explanation:

How are photosynthesis and cellular respiration related?

Answers

Answer:

Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.

I hope that helps determine your answer.

The product of photosynthesis are the reactants of cellular respiration.

What is cellular respiration?

Cellular respiration is the process by which cells convert the energy stored in food molecules into a form of energy that can be used by the cells.

This process takes place in the mitochondria of the cell and involves the oxidation of glucose (sugar) to produce ATP (adenosine triphosphate), which is the main energy source for cellular processes. Cellular respiration has several stages, including glycolysis, the citric acid cycle, and the electron transport chain, each of which contributes to the generation of ATP. The end product of cellular respiration is carbon dioxide and water.

Learn more about photosynthesis, here:

https://brainly.com/question/29764662

#SPJ6

Why are topographic maps useful? Give an example of how one might be used.
PLEASE HELP!!!!!!!!!!!!!

Answers

Answer:

If you are using them for navigation, they can show you where easier paths might be.

They show us natural water features that we can use to find our way. Water features are in blue. Direction of stream travel can be determined by how the stream encounters the contour lines; the contour lines point upstream. In the example below, the stream runs from east (right) to west (left). The green arrow points at the head of the stream.

Hope this helps

Within a cell, DNA is found chiefly in the
A) cell wall
B) nucleus
C) ribosomes
D) vacuoles

Answers

Answer:

Nucleus

Explanation:

We studied this last year in my school and I'm pretty sure this was the answer

Answer: B) Nucleus

Hope this helps!

Lactic acid fermentation occurs in ____.

A.
bread dough

B.
an environment containing oxygen

C.
muscle cells

D.
mitochondria

Answers

Answer:

B an environment containing oxygen

Explanation:

Answer:

C. muscle cells

Explanation:

What would they be called? I don't know/ I am multitasking and don't want to screw it up.

Answers

Answer:

Endotherms

Explanation:

It says internal temperature and I know that endo means in. Also Google told me so. (I had to double check my answer)

Giving Brainest! HELP ASAP!
Using personal feelings to explain or describe is being __________________________ .
Group of answer choices

influential
objective
factual
subjective

Answers

Answer:

subjective

Explanation:

subjective means opinion

or what you feel about something.

pls mark me brainlest

which reactions add a water molecule to break a polymer into smaller parts?

Answers

When polymers are broken down into smaller units a molecule of water is used for each bond broken by these reactions such reactions are known as hydrolysis reactions.

What is physical evidence?
ОА.
matter
OB.
elements
OC.
atoms
OD.
compounds
O E.
mixtures

Answers

Answer:

Its A. Matter

Explanation:

I took the test

Respiration releases ____.
A.Oxygen
B.Carbon dioxide
C.Nitrogen
D.Carbon

Answers

Answer:

A. oxygen is what we brief

there are a lot of mosquitos in my house what should I do to get rid of them best answer gets brainlyist ​

Answers

Answer:

Kill mosquitoes inside your home. Use an indoor insect fogger or indoor insect spray to kill mosquitoes and treat areas where they rest, also Mosquitoes rest in dark, humid places like under the sink, in closets, under furniture, or in the laundry room.

Answer:

spray your house

Explanation:

Explain what happens to the energy that is not transferred from one organism to another.

Answers

energy decreases as it moves up tropical levels because energy is lost as metabolic hear when the organism from one trophic level are consumed by organisms from the next level...
Other Questions
Name 3 foods and 3 products contributed by Native Americans you have eaten or used. Wherever you go, no matter what the weather, always bring your own sunshine. An automobile manufacturer is preparing a shipment of cars and trucks on a cargo ship that can carry 21,600 Tons. The cars weigh 3.6 tons each and the trucks weigh 7.5 tons each. For a different shipment, cars are loaded first, and then trucks are loaded afterwards. Write an equation you could enter into a calculator or a spreadsheet tool to find the number of trucks that can be shipped if the number of cars is known. Let x=number of cars (input) and Let y=number of trucks (output) HELP ASAP PLSS! A politician says that the U.S. government does not have the right to pass laws to protect citizens. Which phrase from the Preamble to the U.S. Constitution rejects that idea? who is the speaker of grateful never give up y = .5(x-2) 21I need help with this problem A person must bow his head or kneel to worship God. True or False Calculate the sum of the first 100 numbers. (Try to find the shortest way.) an object is moving at a speed of 4 yards every 6.5 days. express this speed in centimeters per minute. round your answer to the nearest hundredth Explain why water wet glass but mercury does not BIO MEANS?WHAT ARE THE TWO TYPES OF CELL Read and match each incomplete sentence with the correct word or phrase to complete it. (8 points)1. Felipe es voluntario en unpara mejorar su comunidad.2. Dulce a los nios de primaria en la comunidad.3. Malanade los animales en el refugio.4. Fabiolapara tener ms dinero para el proyecto.a. da tutorab. recauda fondosC. proyecto de accin sociald. limpia las jaulas Find the difference. 5wx-2wxa. 3b 2wxc 3wxd 4wx 5. Why are school officials concerned about students' online speech, even when it occurs outside ofschool hours and off school property? Which of these is the BEST meaning for the word execute as it is used in the selected sentence? A mathematical phrase containing at least one variable. Question 1 (5 points)Calculate the frequency of a photon that exhibits a wavelength of 451 nm.Equation: E = huh = 6.63 x 10-34]'s Place each number in its correct location on the numberline. How does Mary Maloney feel about Patrick's Maloney occupation? Explain how Earths atmosphere affects solar radiation