Chemistry Middle School

please help!!!!!!!!!!!!!!!!!!!

Please Help!!!!!!!!!!!!!!!!!!!

Answers

Answer 1

Answer:

Your body cells use the oxygen you breathe to get energy from the food you eat. This process is called cellular respiration. During cellular respiration the cell uses oxygen to break down sugar. Breaking down sugar produces the energy your body needs.

Explanation:

Brainly pls

Related Questions

How does the equation below support the idea that matter is not created or destoryed?

6H2O + 6CO2 -----> C6H12O6+ 6O2

Answers

Answer:

the numbers all stay the same, just distributed

Explanation:

theres still only 6 c. 12 h. and the same amount o

Answer:

its us air

Explanation:

bc u said ha

What are the 3 most important ecosystem services of a coral reef
1: Home to housands of species of fish, plants, and turtles

2: Corals provide treatments to human illnesses.

3: Reduces wave energy and helps protect against tsunamis

4: Heats up the planet.

5: Provides a good source of tacos.

Answers

2 Corsls provide treatments
1. Home to thousands of species of fish plants and turtles
2. Corals provide treatments to human illnesses
3. Reduces wave energy and helps protect against tsunamis
The other two answers aren’t true and don’t make sense

Infer How do you think these bones are involved in a whale’s movement?

Answers

I think that the bones involved in a whales movement help there tail move so they can swim
By keeping the muscle from flailing around and add support and stability when it moves its body,

Which three temperature readings all mean the same thing?


273 Kelvin, 100 degrees Celsius, 212 degrees Fahrenheit

100 Kelvin, 0 degrees Celsius, 32 degrees Fahrenheit

273 Kelvin, 0 degrees Celsius, 212 degrees Fahrenheit

373 Kelvin, 100 degrees Celsius, 212 degrees Fahrenheit

Someone please help!

Answers

The last one is correct :)

Answer:

273 Kelvin, 0 degrees Celsius, 32 degrees Fahrenheit

Explanation:

Need help with 7th grade science
Help ASAP
What are some of the raw materials that are used in making T-shirts. (Except cotton)
Raw materials: a material that is made by/in nature/earth. Example mine materials, nature materials (tree/grass)

Answers

Answer:

Cotton, polyester, and pima

Explanation:

T-shirts are generally made of a stretchy, light and inexpensive fabric and are easy to clean. Typically made of cotton textile in a stockinette or jersey knit, it has a distinctively pliable texture compared to shirts made of woven cloth.

Land bridges across oceans are used to connect all continents on earth.
A.true
B.false

Answers

Answer:

"A. True", is the right answer.

I’m going with him I believe it’s true

A ______________________is a group of stars that has been given a name to help us find certain stars or recognize them

a
cluster
b
gaggle
c
constellation
d
flock

Answers

Answer:

It is c

Explanation:

Because a constellation is a group of stars with names

Answer is c because it just is

In your words, explain why water is higher salinity is denser than water with a lower salinity?

Answers

Because it matters on how much salt dissolves, which when there’s more salt there’s more salinity. When comparing 2 cups of water, the waiter with higher salinity has more mass so it’d be more dense!

The edges of South America and Africa seem to fit together like a puzzle.
A.true
B.false

Answers

Answer: true

Explanation:

Answer:

It's true...

Explanation:

help now NOW NOW NNNOOOWWW, please

Answers

The answer is c i now this stuff

The formation of hurricanes, cyclones, and typhoons
A.true
B.false

Answers

True homie Bc I said it was
I say true aswell cause it makes sense

Which of the following compounds contains twice as many carbon atoms as oxygen atoms?
Plz help :)

Answers

Answer 2 =C2 H6 O11 i hope that help

What kinds of changes happen to water as it goes through the water cycle? Are they physical or chemical?

Answers

Answer:

When water changes state in the water cycle, the total number of water particles remains the same. The changes of state include melting, sublimation, evaporation, freezing, condensation, and deposition. All changes of state involve the transfer of energy.

Explanation:

and its physical

Answer:

The answer is Physical

Explanation:

The changes of state include melting, sublimation, evaporation, freezing, condensation, and deposition. All changes of state involve the transfer of energy. They are all the same but no matter what state it's in it's still water so it's physical.

What kind of change, physical or chemical, is happening when wood burns? How can you tell?

Answers

Answer:

Wood changes chemically to carbon dioxide when it burns and leaves a residue of ashes. These ashes cannot be changed back to wood. So it is a chemical change.

chemical
physical means it can go back to its shape; chemical it cannot.
for example when wood burns you can’t get that wood back to before it was burned!

hope this helps!

What flows directly into the ocean? *
A. Glaciers, heat, and water
B. Glaciers, Rivers, and Groundwater
C. Glaciers, sewers, and helium
D. None of the above

Answers

the answer is A. (glaciers, heat and water)
The person above is right :)

plz help .....................

Answers

Answer:

1. conduction

2. radiation

3.convection

4. conduction?

5. radiation

6. convection

7. convection

8. convection

9. radiation

10.radiation

(sorry if they aren't all correct)

Which of the water alternative energy source has an energy transfer chain of GPE-->KE-->EE?

Answers

Um what’s the question?
Elastic Potential Energy. Uses Gravitational potential energy, kinetic energy and EE.

European and North America coal fields line up.
A.true
B.false

Answers

Answer:

The Answer Is A

Explanation:

Gravitational potential energy is energy due to


being in motion


being on the ground


height above ground


doing work

Answers

Answer:

being on the ground

Explanation:

Answer:

Gravitational potential energy in terms of work done against gravity. ... We define this to be the gravitational potential energy (PEg) put into (or ... Figure 2. The change in gravitational potential energy (ΔPEg) between points A and B

Explanation:

hope this helps

Is the process of making a glass of lemonade a physical or chemical change?? Explain.

Answers

Physical I think

Explanation:
——> A physical change

Explanation: Making lemonade is a physical change, because things are dissolving, lemons cut up, etc. But there are not any covalent chemical bonds made or broken.

plz help me on the other two :) i already did the third one

Answers

Energy is lost because only a certain amount of energy is transferred through each trophic level
As you more up to the top of energy pyramids , energy is lost due to things such as excretion

How many different elements are involved in the reaction shown? Record the answer in the grid. Plz help :))

Answers

Ca=Calcium

Ci=Iron

Ag= Silver

No-Nobelium

Please answer
Which describes sand?

fine-grained
retains water
water drains quickly
good for growing crops


-KUBAN

Answers

Answer:

c

Explanation:

can someone make me a lab report? Please......... Objective(s): In your own words, what was the purpose of this lab? Hypothesis: In this section, include the if/then statements for your lab. These statements reflect your predicted outcomes for the experiment. Procedure: In your own words, summarize the steps you took to complete your lab. Data: Data tables and graphs should be included in this section. Conclusion: Your conclusion will include a summary and an interpretation of the data results.

Answers

Answer:

When i used baking soda and water whith hydro-oxide it made elephant -toothpaste

Explanation:

hope this helped!

which one should I go in ??????

Answers

Answer:

the hatchery I think

Explanation:

because i think

Fossils of tropical plants have been found in extremely cold regions.
A.true
B.false

Answers

false because they would freeeze
I think false it would have been gone by doing that

A student made peanut butter bars by pressing a layer of graham cracker crumbs into a baking pan. Next, the student added a layer of a peanut butter mixture and then added a layer of crushed peanuts. Lastly, the student added a layer of chocolate frosting.

The process of making peanut butter bars is most like the formation of what type of rock?

Igneous

Metamorphic

Sedimentary

Magma

Answers

Answer:

i am pretty shure it is c soooo sorry if i wroung

Explanation:

It’s sedimentary, which is formed by compressing layers of sediment.

Igneous comes from volcanoes
Metamorphic start as one kind of rock, then change to another
Magma is like igneous

A period of inactivity in a plant, where it does not grow to survive unfavorable environmental condidtions

Answers

Answer:

Dormancy

Explanation:

dormancy is the correct answer

How many more oxygen atoms are in Na2HPO4H(disodium phosphate) then in 2H3PO(Phosphoric Acid)?

Answers

Answer:

in disodium phosphate = 4 oxygen atoms

in phosphoric acid = 1 oxygen atom

Answer: There are 3 more oxygen atoms in Na2HPO4H than 2H3PO

Explanation:

There are 4 oxygen atoms in Na2HPO4H and 1 in 2H3PO. You subtract 4 - 1 =3

Choose all the answers that apply.

Conduction _____.

is the transfer of heat in fluids
requires physical contact between molecules
is the transfer of heat in solids
happens because molecules cause each other to vibrate

Answers

happens because molecules cause eachother to vibrate
happens because molecules cause each other to vibrate
Other Questions
If John invests the $1,000 he receives today at an interest rate of 4.8% compounded monthly, in one year the investment will be worth how much?When John receives $1,000 a year from now, the $1,000 he invested today will be worth how much more than the $1,000 he receives in the future? Answer me or else no brainliest. UvU And I mean it. U^U The Nobel Peace Prize is awarded to someone who works for peace and inspires and challenges others to do the same. More specifically, the Nobel Committee in Norway awards the prize to someone who shall have done the most or the best work for fraternity [friendship] between nations, for the abolition or reduction of standing armies [professional armies that stand even in times of peace] and for the holding and promotion of peace congresses. Using evidence from the speech, defend the decision to give Malala Yousafzai this important award.You better answer dis. CORRECTLY. Thank you UvU A box contains 4 red pencils and 6 black pencils. What fraction of he pencils are red? What fraction of pencils are black? Draw a model. 8. During the 1830-40 Texans were still fighting withA SpaniardsB FrenchC Native Americans 1. What type of change (physical or chemical) happened inside of the flask when you dropped thebaking soda into the vinegar? What evidence do you have? PLS HELP ME!! I'm having a brain freeze at the moment- Which algebraic expression matches the word phrase: 15 more that (c) cars.15/c15 - c15cc +15 Is Y=75x proportional or not proportional? (Please help) On a road trip, a family drives 350 miles per day. How many, d, must they travel to reach a distance of at least 1,400 miles? Part A choose the symbol to complete an inequality to represent this situation Which is the sum of 8 3/4 +2 1/2?O A. 11 1/6B. 11 1/4O C. 10 1/2O D. 10 1/4please help fast Spanish question, ill give brainliest g(n)=-4n+2; find g(8) What does the pronoun "they" refer to in the passage?A. BenB. HeC. StarsD. gloves Antibiotics can be used to kill the specific pathogenic bacterium, Mycobacterium tuberculosis, that causes tuberculosis. The appearance of antibiotic-resistant strains has made it more difficult to cure M. tuberculosis infections. These antibiotic-resistant bacteria survive and pass on the genes to their offspring, making the resistant phenotype more common in the population. DNA analysis indicates that the genes for antibiotic resistance are not normally present in bacterial chromosomal DNA. Which of the following statements best explains how the genes for antibiotic resistance can be transmitted between bacteria without the exchange of bacterial chromosomal DNAa. The antibiotic-resistant bacteria release a hormone that signals neighboring bacteria to become resistant b. The genes for antibiotic resistance are located on a plasmid that can be passed to neighboring bacteria. c. The antibiotic-resistant bacteria are the result of bacteria that specifically modify their own chromosomal DNA to neutralize the antibiotics d. The antibiotic alters the bacterial genome of each bacterium, which results in an antibiotic-resistant populationHow do you know your answer is the correct one? Polynomial Operations 1&2 Test 10 of 1610 of 16 Items Item 10 The height of a poster is 7x+10 and its perimeter is 20x+24 . What is the width of the poster? 17. In line 2, the narrator says the vegetationrioted, meaning itA. grew wildly.B. died quicklyC. attacked fatally.D. shook violently. If you don't speak out about hate, you could be the next victim of a hate crime. A. True B. False what value of theta is cos ^-1(sqrt2/2)=theta :Rhythms can be layered and combined 25 points! please answer