Chemistry Middle School

Which of the following is the best definition of weather?

a Events that happen over a long period of time
b A pattern of seasons changing over time.
c The atmospheric conditions at a particular time
d A measure of kinetic energy in the atmosphere

Answers

Answer 1

Answer:

C

Explanation:

Weather is what is happening at one point in time

Answer 2

Answer:

C.

Explanation:

The atmosphere changes everyday and that is what makes the weather cold or warm.

Related Questions

plz answer fast in 3 sentences thx (XOXO) ;) will give brianly
Why is the use of the inquiry process (or scientific method) a practical way to approach science?
1.
2.
3.

Why are scientific theories modified, but seldom discarded?
1.
2.
3.


How has science and technology influenced everyday life?
1.
2.
3.

Answers

Answer:

Explanation:

Why is the use of the inquiry process (or scientific method) a practical way to approach science?

1. The inquiry process is a practical way to approach science because the inquiry process begins by asking questions and moving on from there.  

2. In science it is important to investigate phenomena or certain subjects by posing questions that you would like to answer through the scientific method.

3.  Therefore, the inquiry method is connected because to inquire on a subject requires raising questions which is an essential step in scientific discovery.

Why are scientific theories modified, but seldom discarded?

1.  If a theory cannot explain new evidence or observations then the theory is revised or even thrown

out, but if the theory still explains a wide range of observations and evidence then it is revised

rather than discarded.

2.  it will still hold some value as above as you learn more you tweak your hypothesis to fit the ever expanding amount of info and data you collect and assimilate

3.  The only way they ever go away is if people stop working on them.

How has science and technology influenced everyday life?

1.  computers

2.  health care

3. bikes

None of these would exist today without science or technology

Answer:

Explanation:

Why is the use of the inquiry process (or scientific method) a practical way to approach science?1. The inquiry process is a practical way to approach science because the inquiry process begins by asking questions and moving on from there. 2. In science it is important to investigate phenomena or certain subjects by posing questions that you would like to answer through the scientific method.3. Therefore, the inquiry method is connected because to inquire on a subject requires raising questions which is an essential step in scientific discovery.Why are scientific theories modified, but seldom discarded?1. If a theory cannot explain new evidence or observations then the theory is revised or even thrownout, but if the theory still explains a wide range of observations and evidence then it is revisedrather than discarded.2. it will still hold some value as above as you learn more you tweak your hypothesis to fit the ever expanding amount of info and data you collect and assimilate3. The only way they ever go away is if people stop working on them.How has science and technology influenced everyday life?1. computers2. health care3. bikesNone of these would exist today without science or technology

PLEASE HELP ILL MARK U BRAINLIEST!

A _________________________________ is a solid, naturally formed substance that always has the same
composition and the same properties

Answers

A crystal
A solid, naturally formed substance that always has the same composition and same properties

Answer: A rock

I don't know what to put here.

Yo plz help no links
Sublimation is the transformation from the _____ phase.
a. Solid to the liquid b. Solid to the gas
c. Liquid to the gas d. None of the above

Answers

Answer:

b. Solid to the gas

Explanation:

Sublimation is the process of transformation directly from the solid phase to the gaseous phase, without passing through an intermediate liquid phase.

Hope this helped!!!

Answer:

Sublimation is the transformation from the solid to the gas phase.

Explanation:

Sublimation is something like for example snow changing to water vapor without melting.

Snow is a solid and water vapor is a gas.

why did the skater go fast at point B

why did the skater go fast at point B

Answers

Answer: it has an inclination

Explanation: causing it to go faster at point B

The skater went down the hill which increased his speeed and it caused him to go fast at point b.

Explanation:

hope this helps.

The diagram shows the results of copying waves in both analog and digital
forms.

What conclusion about the reliability of analog and digital waves is supported
by the data?

The diagram shows the results of copying waves in both analog and digitalforms.What conclusion about

Answers

Honestly this kind of stuff is so hard to me I just don’t understand it

Answer:

D

Explanation:

analog waves tend to have more

Ruby has observed that plants in her garden vary in height. She wants to investigate whether a plant species (species A) grows faster than the other garden species (species B, C, and D). Select the statement that describes Ruby gathering enough evidence to support a scientific explanation concerning plant growth rates.

Note: Consider reviewing how Ruby developed her conclusion on page 8 of this lesson to select the best answer.

(1 point)
Responses

Ruby measures the heights of several species A, B, C, and D plants for a week under different conditions and finds a journal article that describes the growth rate of species A.
Ruby measures the heights of several species A, B, C, and D plants for a week under different conditions and finds a journal article that describes the growth rate of species A.

Ruby measures the height of a species A plant for a week and finds an anonymous gardening blog that describes the growth rate of species A.
Ruby measures the height of a species A plant for a week and finds an anonymous gardening blog that describes the growth rate of species A.

Ruby measures the heights of several species A, B, C, and D plants, each species for one week at a time for four consecutive weeks.
Ruby measures the heights of several species A, B, C, and D plants, each species for one week at a time for four consecutive weeks.

Ruby measures the heights of several species A, B, C, and D plants for a week under the same conditions and finds journal articles that describe the growth rates of each species. Brainliest

Answers

Answer: Tens place.

Step-by-step explanation: hmm wait one moment

Answer is tens place
Hope this helped!

What is NOT true about genes and chromosomes?

Genese are located on chromosomes

Chromosomes are in the nucleus

A single chromosome can contain hundreds of genes

All of these are true

Answers

Let us go option by option :

1) Genes are located in chromosomes. TRUE

Chromosomes are in cell nucleus. A chromosome contains hundreds and thousands of genes. A normal have 23 pairs of chromosomes, and a total of 46.

2) Chromosomes are the in nucleus.

TRUE

Chromosome is structure found in nucleus of the cell. It is made up of protein and DNA.

3) A single Chromosome can contain hundreds of genes.

TRUE

single Chromosome can contain hundreds of tgenes.

4) All of the above

TRUE

As all the statements above are true. The correct option is 4.

Answer:

all of them are true

Explanation:

this is because chromosomes contain genetic materials and it is present in the nucleus.
Therefore, the correct option is 4) all of these are true

no problem

Do you think rayon when burnt will stick to the body like other synthetic fibers?

Answers

In other words, since rayon is made from the plant fiber it does not get stick to our body while we burn it
it will not stick to the body most likely

Which statement best describes properties of elements? A) All elements have a similar structure and hardness. B) All elements are either metals or gases. C) All elements are solid and magnetic. D) All elements have mass and occupy space

Answers

Answer:

D

Explanation:

That is the right answer

Which of the following statements about daughter cells is true? (Select all that apply.)
A. They each are smaller than the parent cell, but will grow to a full size.
B. They each contain different combinations of the parent cell’s genetic material.
C. They each contain a nucleus.
D. They each contain the same genetic material.

Answers

Answer:

The answer is C

Explanation:

B is the correct answers

The image shows the gravitational effects of the moon (not shown) on the Earth (depicted here) and the resulting tides that form. Which statements are true about the gravitational force between the Earth and the moon? Select ALL that apply.
Responses
A The moon exerts equal gravitational force on all locations of the Earth
B The moon exerts a smaller gravitational force on Earth locations that are farther away
C The moon must be to the right of the Earth because gravity is an attractive force.
D The moon must be to the left of the Earth because gravity is a repulsive force.
E The moon exerts a greater gravitational force on the Earth than the sun does.

Answers

Answer: B

Explanation:

Brainliest please! (if im right)

The answer is B The moon exerts a smaller gravitational force on Earth locations that are farther away

A car traveling around a corner at 18 meters per second is accelerating because it is changing its

1. mass.
2. speed.
3. direction.
4.displacement.

Answers

Answer:

18 mass speed direction displacement

Explanation:

18 meters per second is 18/60 =0.3

30 POINTSSSSSSSSSSSSS how is increasing the amount of sunlight most likely to affect an ecosystem? A. by increasing soil moisture B. by decreasing photosynthesis C. by increasing plant growth D. by decreasing the food supply

Answers

Answer:

here

Explanation:

The increase in sunlight up to a limit might result in an increase in the photosynthesis process as well as in transpiration. More amount of energy will be produced by plants.

C. by increasing plant growth.

What is the main purpose of the concentration gradient and why is it vital to the process of osmosis?

Answers

Answer:

The osmotic gradient is the difference in concentration between two solutions on either side of a semipermeable membrane, and is used to tell the difference in percentages of the concentration of a specific particle dissolved in a solution.

Explanation:

I hope this helps!

The above answer is correct, and also the concentration gradient is vital to osmosis as it must occur from a high concentration of water to a low concentration of water through a semipermeable membrane.

Plz help... idk wut to do!!!!!!!!

Plz help... idk wut to do!!!!!!!!

Answers

Observation: The man is walking his dog.

Interference: The dog must have saw something and started chasing after it, resulting in the owner being dragged along.

Observation: The man is walking his dog.

Interference: The dog must have saw something and started chasing after it, resulting in the owner being dragged along.

HOPE IT HELPS

Oil is a powerful source of energy used for cars, machines, and many other purposes. While studying sources of energy that could replace the use of oil, a student thinks about solar power, wind power, nuclear power, and electric batteries. The students asks,"Which type of source will waste the least energy and provide the most energy in all situations?"

Which best describes why a scientist would ask a different question than this one?

O The question asks about subjective personal preferences regarding energy.
O The question focuses on the objective measurements of amounts of energy.
O The question has too wide of a focus, as though all situations can be studied at once.
O The question is focused on the future and finding new answers about changing needs.

Answers

Answer:

C

Explanation:

scientists usually focus on one specific problem, rather than a whole range. so the answer would be that it's too wide a focus.

btw this is where the crown is on the bottom of the question

Oil is a powerful source of energy used for cars, machines, and many other purposes. While studying sources

Answer:

c

Explanation:

What features does the phone of the future have? List at least 3 features.

Answers

Answer:

ill give you five

Explanation:

5G connectivity. ...

Foldable phones. ...

More cameras, more megapixels and more depth. ...

More power and better graphics. ...

Augmented reality and virtual reality (AR and VR)

have a good day

Human obtain electricity through fossil fuel, nuclear, solar, geothermal, wind, biomass, and hydroelectric power.

For at least two of these, explain ways that using this resource could pollute freshwater.

Answers

For fossil fuel: Oil spills and leaks during extraction or transport can pollute water sources.

For nuclear power: An uncontrolled nuclear reaction can result in widespread a contamination of water.

if would make the environment smoother and safer for all of the animals and save plants,trees,oil

Energy is inversely proportional to the wavelength of a wave. Which of these waves would have the greatest energy?

Energy is inversely proportional to the wavelength of a wave. Which of these waves would have the greatest

Answers

Answer: 2

Explanation:

The answer is actually one because of the height of the wave. Think about if you were moving a slinky like this with your hand. You would use more energy to move it further up and down rather than only a little bit of energy with number two. Hope this helps, have a great day! :)

Can someone help please!

Can someone help please!

Answers

Base isolation is a technique used by engineers to help prevent damage to buildings by volcanoes. The
O main structure of the building is separate from the base, which allows lava to pass under the building
without causing much damage
Number 3 is the right answer

The diagram shows Ned’s movement as he left his house and traveled to different places throughout the day.

A line, which turns at labeled black boxes with a key showing how far 1 mile is on the line. The line starts at V Ned's House and runs right to W Pet Store then down and right to X Library then right to Y Swimming Pool then up and right to Z Gym.
Which reference point should be used to find out how far Ned traveled when he went from the pet store to the swimming pool?

V
W
X
Z

Answers

Answer:

w

Explanation:

Answer:

w

Explanation:

im taking the test rn

Choose all the answers that apply.
Extinction can be caused by _____.
habitat destruction
natural disasters
disease
invasive species
The answer is all of the above

Answers

Answer:

All of above

Explanation:

There are still more like global warming, population over growth, and even overconsumption. But mainly habitat destruction, natural disasters, disease, and invasive species. Just remember that this are all naturally occurring ways of extinction.  

A painter needs to buy a new pulley system. Both systems have an input work of 100 J, but the old system model has an output work of 60 J and the new system model has an output work of 75 J.

Which system is more efficient?

Answers

The answer is the old model is better

List the five physical phase changes of matter and give one example for each.

Answers

Answer:Melting.

Freezing.

Evaporation.

Condensation.

Sublimation.

Explanation:

Answer: Examples for the five transformations previously given.

For the first four, we encounter common examples in everyday life, all to do with water:

Freezing - liquid to solid, e.g. water to ice, e.g. making ice cubes.

Melting - solid to liquid, e.g. ice to liquid water, melting ice cubes or snow flakes.

Condensation - gas to liquid, e.g. water vapor (gas) to liquid -  water vapor in air (humidity) condenses to form liquid droplets on the outside of a cold beverage glass on a hot humid day; or cloud formation  in the atmosphere.

Evaporation - liquid to gas, e.g. liquid water on clothes evaporates as clothes dry on clothesline or in dryer

While water can sublime under certain conditions of temperature and pressure, it is less evident in everyday life.  Carbon dioxide however is a more common example.

Sublimation - solid to gas, e.g. "dry ice" disappearing. The visible smoke associated with dry ice is most likely just condensing water vapor in the air as the solid carbon dioxide cools the air.

Explanation:

Which statement refers to convection?


Sunlight travels through space without the aid of fluids or solids.


Land and ocean absorb and re-emit heat from the sun.


Some of this energy is reflected off Earth's atmosphere.


Warm air rises and takes heat with it; eventually it cools and sinks.

Answers

Warm air rises and takes heat with it; eventually cools and sinks

Answer:

Your answer is D

Explanation:

A clone is genetically identical to a single parent cell. Scientists have experimented with cloning and have only recently been able to clone larger animals such as lambs and dogs. Clones are offspring of -

A clone is genetically identical to a single parent cell. Scientists have experimented with cloning and

Answers

Answer:

d

Explanation:

if it is completely identical to the parent cell it was produced by d's choice

hope this helps

1. Using D10W and a vial of NaCl 4 mEq/mL, how many mL of NaCl are needed to prepare 250 mL of a
D10/NS solution?
a. 4.8mL
b. 9.6ml
c. 19.6mL
d. 154mL

Answers

To prepare 250 mL of a D10/NS solution using D10W and a vial of NaCl 4 mEq/mL, you would need 9.6 mL of NaCl. Normal saline (NS) contains 154 mEq/L of sodium chloride (NaCl). To prepare 250 mL of NS, you would need 250 mL * (154 mEq/L) = 38500 mEq of NaCl. Since the vial of NaCl contains 4 mEq/mL, you would need 38500 mEq / (4 mEq/mL) = 9625 mL = 9.6 mL of NaCl. So the correct answer is b. 9.6ml.

the correct answer is A 4.8 mL

help please science (7th grade)

help please science (7th grade)

Answers

Answer:

17

Explanation:

Don't mind the random letters

bshsujsjjdjd

Answer:

18

Explanation:

4. Which of the following is a solution? *

Answers

Answer:

chemistry- A homogeneous mixture

a solution is also something to solve a problem

as
d
d
f
f
g

hh ⃤
⃤ ⃤ ⃤ ⃤ ⃤

Help me please! you will get brainliest

Help me please! you will get brainliest

Answers

Answer: Water Waves

Explanation:

No telling secrets

Sound waves as they are longitudinal
Other Questions
Ted and alan are in a race to double their money. ted feels he will win if he puts his $4,000 into a savings account offering 4.5% interest compounded annually. alan feels he will win because he intends to put his $1,000 into a savings account offering 6% interest compounded annually. using the rule of 72, startfraction 72 over r endfraction , who will win, and how many years will it take to double his money? alan will win. it will take 16 years. alan will win. it will take 12 years. ted will win. it will take 12 years. ted will win. it will take 16 years. pls help me 5 minutes left Evaluate a SpeakerView or listen to a speech by a well-known actor, and then evaluate it in writing. To begin, save this document to your computer with your name at the end of the filename (e.g., NG_ELA9-10_W_11_GA_Alice_Jones.docx). As you experience the speech, identify the speakers viewpoint and notice the reasons and evidence he supplies to support it. Listen for evidence and logic that is either valid or fallacious. Be attentive for language that is either appropriately emotional or unfairly loaded. Take notes as the speech progresses. Then, read and answer the questions.When you have finished, submit this document to your teacher for grading.Questions(Score for Question 1: ___ of 5 points)1. What is the speakers viewpoint? What is his claim?Write your answer here.(Score for Question 2: ___ of 5 points)2. What reasons does the speaker provide to support his viewpoint or claim?Write your answer here.(Score for Question 3: ___ of 5 points)3. What evidence does the speaker provide to support his reasons?Write your answer here.(Score for Question 4: ___ of 5 points)4. What counterclaims does the speaker address, and how does he respond to them?Write your answer here.(Score for Question 5: ___ of 5 points)5. What examples of fallacious reasoning, distorted or weak evidence, and exaggerated language occur in the speech?Write your answer here.(Score for Question 6: ___ of 5 points)6. Write a 12 paragraph evaluation of the speakers argument. Discuss whether the speaker used valid reasoning and sufficient evidence to support his viewpoint.Write your answer here. arthur has recently moved to a new neighborhood. he repeatedly says the address of his new house so that he does not forget it before writing it down. in this scenario, arthur is using a form of a mnemonic device called need help with this ?? El contraargumento es una parte esencial de ________. un ensayo de comparacin una biografa una autobiografa un ensayo persuasivo which assessment finding indicates that a client has had a stroke? select all that apply. one, some, or all responses may be correct. If the sum of x and y is 90 and y is 6 more than four times x, which of the following systems of equations could be used to solve for x and y?A.x+y=90x4y=6B.x+y=904xy=6C.x+y=906xy=4D.x+y=904xy=6 Write a program that creates an array of four float elements. Use a for loop to read and store a float value at each index in the array. Then use a for-each loop to print out each element to the console. Simplify this expression:2x? - 5xy - 6+ 4x2 3xy +1-xyO 6x? - 9xy - 5O 5x2 8xy-5-yO 6x2 - 8xy-5-xyO 6x + 2xy-by-xy How do you simplify complex fraction expressions? In year 1 the average price of X is $10, and in year 2 the average price of X is $23. If consumers buy more units of X in year 2 than in year 1, it follows that a. the law of supply does not hold for good X. b. demand for good X could be lower in year 2 than in year 1. c. supply of good X could be less in year 2 than in year 1. d. good X buyers have received an increase in income between year 1 and year 2, and good X is a normal good. e. good X buyers have received a decrease in income between year 1 and year 2, and good X is a normal good. Why is being ignorant of a situation make it easier to let it go ? Alyssum, Inc., a merchandising company, has provided the following extracts from their budget for the first quarter of the forthcoming year: Jan $270,000 Feb March $295,000 $300,000 Purchases on account The vendors have required the following terms of payment: Month of purchase 10% First month after the purchase 35% Second month after the purchase 35% Calculate the total payment on account for the month of March. O A.$122,925 O B.$227,750 C.$300,000 O D.$177,975 fill in the blank. when a bank ___(debits/credits) your account for the interest earned during the month, what it is really communicating is that it is ___(increasing/decreasing) the ___(asset/liability) recorded in its accounting records to represent your account from its perspective. what expression is equivalent to -5(x)+(-4)(-3) WILL MARK BRAINLIESTA company purchased office furniture for $10,000 in 2009. In 2019, the company moved to a new location, and they sold the furniture.The value of the furniture decreased over time, as shown in the graph below, where the y-axls represents the value of the furniture, in dollars,and the x-axis represents the number of years since 2009.answer question at bottom i need help who knows the answer to this You start a new job. After w weeks, you have (10w+120) dollars in your savings account and (45w+25) dollars in your checking account. Write an expression in simplest form that represents the total in both accounts. 2. What is the truth value of the following statement?If a number is divisible by 3, then it is odd. What have division of labor and specialization to do with economic growth?