Chemistry Middle School

Where is the DNA stored in a cell?

Answers

Answer 1

Answer: nucleus

Explanation:

Answer 2

The dna cells are in the Nucleus

Related Questions

What are some advantages and disadvantages to the acid rain management techniques?

Answers

Disadvantages of acid rain:
• Acid rain affects the fresh water ponds and lakes and destroys the aquatic life as some species of fishes are rare and may be extinct
• it can affect the trees particularly those that are high altitude
• It can damage historical monuments and buildings
•soil can be affected and can lead to deaths of good microbes

Advantages of acid rain:
• it makes holes in limestone below ground, which creates caves and places to store groundwater, as well as providing habitat for some species
• But the new study shows that sulfuric in acid may have benefits, limiting global warming by counteracting the natural production of methane gases by microbes in wetland areas.

Of course you should do more studying on acid rain but these are the simple ones

Acid rain management techniques include protect plants from acid rain on falling on them.

What is acid rain?

Rain formed when sulfur dioxide and nitrogen oxide react with chemicals in the atmosphere like water,oxygen and carbon dioxide to form sulfuric acid and nitric acid and then falling to ground containing these acids is called acid rain.

Acid rain alters the environment the environment tremendously by damaging plants and aquatic ecosystems.Plants require a specific pH of soil for their optimum growth and nutrition.

Due to acid rain, the acidity of soil increases rendering it unfit for plant growth.Similarly, pH of water also increases which affects the survival of aquatic ecosystems.

It also damages the the monuments made of metals, marbles .Taj Mahal made up of white marble has turned yellowish due to acid rain.

Learn more about acid rain,here:

https://brainly.com/question/22143130

#SPJ2

What can the student conclude about the experiments? (Attachment)
I WILL MAKE YOU BRAINLIEST

A. Experiments 1 and 2 show chemical changes because bubbles were produced.

B. Experiment 1 shows a physical change because no new substances were produced, and experiment 2 shows a chemical change because a new substance was produced.

C. Experiment 1 shows a chemical change because bubbles were produced, and experiment 2 shows a physical change because a liquid turned into a solid.

D. Experiments 1 and 2 show physical changes because no new substances were produced.

Answers

Answer: B. Experiment 1 shows a physical change because no new substances were produced, and experiment 2 shows a chemical change because a new substance was produced.

Explanation: a physical change is reversible

chemical is 2 or more substances combined to make a reaction such as bubbling, change of color or temperature

12 Points/Brainliest

Answers

Answer:

In fact, at the sea level, the the sea water boils at 100 degree C where atmospheric pressure is normal. However, the boiling takes place at a lower temperature at the top of a mountain due to low pressure. In other words the boiling is faster at the top of a mountain than that at its foot.

Explanation:

Hope this helped you :)

There is many sea levels

I will brainly
And 5 star rate!!

Answers

most of them explode is the answer to that question

one or more substances are converted to a different substance. an example could be ( iron + oxygen = rust

Leandra is baking cookies, and they are ready to come out of the oven. Before she takes them out of the oven, she puts oven mitts on. Why does Leandra do this?

A Heat energy moves from warmer objects to cooler ones.
B Heat energy moves from cooler objects to warmer ones.
C The light energy from her hands will transfer to the cookies.
D The coolness of her hands will transfer to the cookies and will make them cold.

Answers

Answer:

Explanation:

Heat can't come from a cold object but can from a warm of hot one.

Answer: A

Heat moves from the hotter object out and distributes into colder objects. Also heat can’t come from a cold object. You can apply this to a real life scenario as you put oven mitts on so you don’t burn yourself.

When a log burns in a fire, a a physical change has occurred. b mass is gained. c new substances are formed.

Answers

Answer: technically it is chemical and physical change

Explanation: chemical bc it’s burning and physical bc it’s going from a log to ashes

Answer:

C! New substances are formed.

Explanation:

The burning log will release carbon dioxide, which is a new substance that was never there in the first place.

Carlos listed some advantages and disadvantages of using nonrenewable resources.

Which best describes Carlos’s error?

Answers

Answer:

The answer is ores must be processed to make useful products!

Explanation:

I need help assappp
...........

Answers

Disagree is the awnser to this question

the answer is disagree

In which direction does heat energy move?

A From cold objects to colder objects
B From colder objects to warmer ones
C From warmer objects to colder ones
D From warm objects to warmer objects

Answers

Answer:

Explanation:

Because when a cold object is cold it start to get warm because Of the air.

and it start to warm and it gets warm.

C

Heat usually flows to colder objects in order to make them both the same temperature and when the colder object finally gets hot and is the same temperature as the hotter object it stops flowing hope this helps:)

35 POINTS AND BRAINLIEST!
Which description is not a property of an acid?
A. pH lower than 7
B. Turns litmus paper blue
C. Sour taste
D. Corrosive

Answers

Answer:

B turns litmus paper blue

Explanation:

B is the answer, hopefully that helps you!

Select the substance or substances that are homogeneous mixtures

Question 22 options:

Solution

Compound

Colloid

Molecule

Suspension

Answers

Answer:

colloid, suspension, solution

Colloid , solution, suspension . I hope it helps you

2 more questions left

Answers

Answer:First one is 3

How many atoms doesCo(NO3)2 have

Answers

The answer is 9. Calcium nitrate is made up
of 3 different elements that equal 9 atoms.

9 (I had this on a test and got it right)

Why is it important to have a control?
IN SCIENCE.....SOUND CONTROL
P.S don't make it sound like ur a genius

Answers

its important to have control so you can predict or cause what happens to what you’re doing

Question 6(Multiple Choice Worth 3 points)
(02.01 MC)

What is the landform in the image

Dune
Hill
Plateau
River

Answers

All of the above, is that an answer?

Answer:

C (Plateau) :)

Explanation:

Because a plateau is an area of relatively level high ground. so that means the answer is plateau!

Compound: ________________
. Found in apatite soil, contain phosphorus (P)

Answers

Answer:

Ca5 or Apatite

Explanation:

Sugar, C6H12O6, is made of carbon, hydrogen, and oxygen atoms. Sugar is — (I WILL MAKE U BRAINLIEST

A. a compound because it is made of two or more atoms chemically combined and its parts cannot be separated by physical means

B. a mixture because it is made of different kinds of atoms but they are not chemically combined

C. a solution because it dissolves when mixed with water

D.an element because it is a pure substance whose parts cannot be separated

Answers

Sugar is a compound because it is made of two or more atoms chemically combined and its parts cannot be separated by physical means.

Answer:

Explanation:

D. is not the answer as there are many elements that go into Sugar

C. Is not the answer because it is not a solution

B. Is not the answer because they are not physically combined but chemically

Therfore A is the answer

Which oneeeeeeeeeeeee

Answers

Answer:

Agree

Explanation:

This is what I found.

Air is actually a collection of very small molecules; oxygen gas and nitrogen gas are molecules made from two atoms each. Only the noble gases readily exist as single atoms.

Hope this helps.

Answer:

Air is actually a collection of very small molecules; oxygen gas and nitrogen gas are molecules made from two atoms each. Only the noble gases readily exist as single atoms.

Explanation:

I hope this helps. I'm not sure because it would depend on the gas. But I would go with disagree personally.

A theory usually has observation and reasoning in its favor, although it may not be experimentally verified.

True or False

Answers

yes i believe it’s true

I believe it’s true :)

Why is it important to have a control?

IN SOUND ENERGY!!!!!!!

Answers

Answer:

why it is important to have control in sound of energy is because noise is airborne sound energy within a broad range of frequencies that has the potential to cause either discomfort or injury to people working in the area. specifically, noise needs to be controlled In order to *protect the hearing of the personnel who work at the facility *

How many atoms are in (NH4)2SO4

Answers

Answer:

Explanation:

(2*4=8)O

Ammonium sulfate has 15 atoms

Please answer one or both of the questions below

Answers

Answer:

a=2 b=1 c=3 im litterally takeing the quiz right now

Explanation:

Answer:

a=2 b=1 c=3

Explanation:

use your brain :)

What is Litmus Paper?

Answers

paper stained with litmus which is used to indicate the acidity or alkalinity of a substance. Blue litmus paper turns red under acid conditions, and red litmus paper turns blue under alkaline conditions.

[tex]\huge{\underline{\frak{\pink{Answer:\;}}}}[/tex]

Litmus is a natural dye which is extremely from lichens. it is the most commonly used indicator. Litmus is available in the form of blue and red litmus paper.

Which oneeee is ittt!!!!

Answers

Answer:

Disagree.

Explanation:

Nothing would remain. Everything on Earth is made up of atoms. The chair consists of only atoms. So, if you remove all of the atoms, nothing would be left! Hope this helps.

The answer would be disagree

Think of a creative title for a video about the states of matter

Answers

Answer:

States of life ?

Explanation:

maybe this ?

Use the images below to complete the information on the table and answer questions 1-5.

Answers

Answer:

Proton: Positive

Electron: Negative

Neutron: No charge

Proton positive
Electron negative
Neutron neutral

If a average person and a trained athlete where to exercise which pule rate would be slow and which pulse rate would be fast?

Answers

the average person would have a higher pulse rate when exercising because their body is not used to it, which makes it have to work harder to maintain that status

the athlete would have a slower pulse rate because their body is acclimated to the exercise and does not need to work as hard to maintain their body

here the answers for what is radiation?

Transfer of heat through objects touching the source
Transfer of heat through direct physical contact
Transfer of heat through electromagnetic waves
Transfer of heat through the movement of particles

Answers

Transferring heat through electromagnetic waves

C . Transfer of heat through electromagnetic waves

Radiation is said to be process where heat is transferred between two objects in the form of electromagnetic waves . In radiation two object dont need to be in direct physical contact for the heat transfer to happen .

Compound: ________________
. Found in soil; contains hydrogen (H) and oxygen (O)

Answers

Answer:

hydrogen im doing the same thing but diffrent

Explanation:

Hydrogen peroxide is the compound found in soil containing hydrogen and oxygen

Steps of photosynthesis:

___ ATP molecules form.
___ Sugar molecules form.
___ Chlorophyll absorbs light energy.

Answers

Answer:

Chlorophyll absorbs light energy, ATP molecules form, sugar molecules form. I'm pretty sure this is correct, but if it is not I'm sorry...

Explanation:

1. Chlorophyll absorbs light energy
2. ATP molecules form
3. Sugar molecules form

Other Questions

Please help with my economics!!Which societal goals and values listed are reflected in the U.S healthcare system? The Canadian healthcare system? Provide support for your answer. The societal goals listed are:Economic freedom,economic growth, economic efficiency, economic security,economic equity i WILL GIVE BRAINLIESTRead the passage carefully. Which freedoms in the US Bill of Rights reflect ideas from the Magna Carta? Choose two correct answers.the right to have propertythe right to be securethe right to pay debtsthe right not to be searched without causethe right not to have property taken without causePASSAGE 1:Neither we nor our officials will seize any land or rent in payment of a debt, so long as the debtor [can pay] the debt.Magna Carta,1215PASSAGE 2:The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated, and no Warrants shall issue, but upon probable cause, supported by Oath or affirmation, and particularly describing the place to be searched, and the persons or things to be seized.US Bill of Rights,1789 3. What is the value of x?(8x -- 8)(7x - 8)A -16B. 120C. 60D. 16 Write the inequality given below. Eight less than 2 times a number is more than 12. Most early colonists were loyal to England and valued their rights as English subjects. Supply-side policies have proven that smaller government makes the economy more efficient. Select one: True False Typically, people think of a lava flow when they think of volcanoes. However, some eruptions are mostly ash and steam released into the atmosphere. This type of volcanic eruption is blamed for causing what is referred to as a "Little Ice Age" starting in the 13th century. The ash and steam blocked the sun's rays causing extreme cold and agricultural difficulty which lead to massive decreases in populations.Describe how the energy from the sun is vital to life. In your response, be sure to include:1. The form(s) of energy that the sun provides to the Earth.2. How energy from the sun is transformed on the Earth.3. At least two ways humans depend on the sun's energy for survival. I am really stuck on this can anyone help? True or false? Information distributed by a political party gives you a balanced perspective that looks at issues from all sides. After 3 weeks, Mrs. Tumble had each group measure the height of their bean plant and record it on a line plot. What is the difference in length between the tallest bean plant and the shortest bean plant?Group answers A. 2 1/4 B. 2 1/2 C. 2 3/4 D. 3 1/4 I will give you branilest!A race car exerts 18,344 N while the car travels at an acceleration of 92.54 m/s2. What is the mass of the car? (Use the formula m=F/a) Eating disorders can be prevented but once they begin there are few treatments true or false Dickens includes the word monotonously to help readers understandthe fulfillment of manufacturing work.the excitement of manufacturing work.the enormous size of the steam engine.the repetitive motion of the steam engine. PLZ HELP!!!Which group benefits most from information being transmitted by electromagnetic waves over cable networks? A. People who use radios to listen to music B. People who live far from a transmitting antenna C. People who live close to cell phone base stations D. People who have easy access to Wi-Fi Aerobic endurance which body system are affected Identify the following groups by name and give the number of valence electrons in each...1. Group 1 (1A):2. Group 2 (2A):3. Group 3-12:4. Group 14 (4A):5. Group 15 (5A):6. Group 16 (6A):7. Group 17 (7A):8. Group 18 (8A):(this is talking about the periodic table A pathologist working in the lab observed a liver cell that had a very prominent endoplasmic reticulum. The cell also had a proportionately larger smooth endoplasmic reticulum than rough endoplasmic reticulum.Which of the following is a plausible explanation for the purpose of a larger amount of smooth endoplasmic reticulum?A) It is producing proteins for glycolysis and ATP generation.B) It is packaging signal hormones for export out of the cell.C) It is detoxifying drugs and toxins with hydroxylating enzymes.D) It is folding membrane-bound proteins bound for the plasma membrane. Help. Can you please help me. What is the war that made america? How do I turn on autosave in Pokemon Shield?