Chemistry Middle School

The arrow is called a

The Arrow Is Called A

Answers

Answer 1
the arrow is called a victor
Answer 2
Vector hope this helps:)

Related Questions

I need help QUICKLY!!!!!!!!

Answers

Answer: Do you take Ms. Reyes

Explanation: The answer is Outside air, Nose, Lungs, Bloodstream, Cell

Answer:

outside air

nose

lungs

bloodstream

cell

1. The ocean is also known as Earth's _____. *
A. evaported cloud
B. Giant Collector
C. Condensed Liquid
D. None o the above

Answers

Answer:

Earth is often called the ocean planet because it is 70% covered in water.

Explanation:

D.

D. none off they above because the ocean isnt a cloud it doesn’t collect things and its not condensed

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!

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

Answers

Answer:

The Answer Is A

Explanation:

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

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:

___________________ can be renewable or nonrenewable.
isn't it fossil fuels? i'm not sure

Answers

Answer:

wood, aluminum, gemstones, fabric, paper, rock and many others can be renewable or nonrenewable.

Hope i get brainliest

Explanation:

Fossil fuels is indeed correct.

How is science based on observation used as evidence? How can evidence be used?

Answers

Answer:

Explanation:

Researchers gather empirical evidence through experimentation or observation. Empirical evidence is information acquired by observation or experimentation. Scientists record and analyze this data. The process is a central part of the scientific method.

Answer:

Science Produces Explanations That Can Be Tested Using Empirical Evidence. Science requires that scientific explanations of phenomena be based on events or mechanisms that can be observed in the natural world. This is how science builds a base of shared observations and ideas to which new knowledge can be added.

Explanation:

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

Answers

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

True or False: Thermal energy can not transfer when particles of matter are in direct contact with each other, as they are not in solids, liquids,or gases.

Answers

Answer:false

Explanation:

that would be false hope it’s right !!

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

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:

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.

When balancing a chemical equation, which of the following are you allowed to do?

Take away substances

Add coefficients

Change subscripts

Add new substances

Answers

You are only allowed to Add coefficients

Answer:

Add Coefficients

Explanation:

You CAN'T change the identity of an element or substance in an equation. You can only change coefficients.

discord anyone? RaTqUeEn2#8785

Deforestation is the __________.
A.
cutting down or burning of all the trees in a forested area
B.
replanting of trees in an area where trees were cut down
C.
managing of forests for the benefit of people
D.
adding of nutrients to topsoil in order to make land more arable

Please select the best answer from the choices provided
A
B
C
D

Don't have to answer!

Answers

The answer would be letter A
The answer is A I’m answering because I need points

What is the influence of temperature on a chemical change?

Answers

Answer:

Increasing the temperature will cause chemical changes to occur faster. Decreasing the temperature, causes the particles to lose energy which causes them to move around less and slower. The less they move, the less collisions occur, and the less reactions occur between the chemicals = slower reaction rate.

Explanation:

Please mark me brainliest

The diagram represents liquid water in a pan on a hot plate. The liquid water is boiling and changing into water vapor. The process of boiling water is considered to be a

Answers

Answer:

I guess c?

Explanation:

take my answer by a grain of salt but the process of boiling water leads to physical change because eventually all water will become water vapor if boiled long enough

C is the answer to this question hope it’s right

Select all of the compounds.
Group of answer choices

water (H2O)

gold (Au)

nitric acid (HNO3)

cobalt (Co)

oxygen (O2)

Answers

Compounds have more than one element

H2O
HNO3

Plz HELP ITS SCIENCE!

Answers

Cell wall:
-acts like a skin
- most selectively controls what is inside and outside of the cell
-rigid

Cell membrane:
-gives a plant cell
-not rigid
Cell Wall
1) Acts like skin.
2) Rigid.
3)Gives the plant cell its shape.



Cell Membrane
1) is not rigid.
2) More selectively controls what goes in and out of the cell.

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

Please help I will give brainlist

How would you write the formula for sugar-water solution if the formula for salt-water solution is written as NaCl(aq).


The formula for solid salt is NaCl(s).


The formula for solid sugar is C6H12O6(s).

Answers

Answer:

Explanation:

The chemical or molecular formula for sucrose is C12H22O11.

Acceleration due to gravity =


100 m/s2



9.8 m/s2



62.3 m/s2



1.2 m/s2

Answers

Answer:

9.8

Explanation:

no explanation bbbbnnnnnnnnnnnnnnnnnnn

9.8m/s2 is the correct answer

PLEASEE HELP ASAP WILL MARK BRAINLIEST
This is on Asexual reproduction and I don't understand this at all so pleasee help

Answers

Answer:A,A,b,b

Explanation:i think i am learning this right now too!

I believe it is A, A, C, D

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

Would the following atoms have similar reactivity?

A) Elements in Group 2 have 2 energy levels.

B) Elements in Period 7 have 7 valence electrons.

C) Elements in Group 13 have 13 valence electrons.

D) Elements in Group 13 have 13 valence electrons.

Answers

I think D, not sure though!
Ur answer is d elements is group 13 have 13 valence electrons

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

Answers

Answer:

the hatchery I think

Explanation:

because i think

2. A change in velocity (speed and/or direction) is... *
A.speed
B.Velocity
C. Acceleration

Answers

acceleration cause that is a magnitude
the answer is acceleration

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)

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.

A chemist is using 341 milliliters of a solution of acid and water. If 16.1% of the solution is acid, how many milliliters of acid are there? Round your answer to the nearest tenth.

Answers

We need to assume that the acid in question is a liquid (not a solid or a gas),

and we need to assume that the 16.1% is specified as 16.1% (v/v) ,

where "v/v" means volume in volume,

meaning 16.2 milliliters of that acid are contained in 100 milliliters of the solution of acid and water.

With those assumptions, the ratio of acid volume to solution volume is

x/342 = 16.1/100 , where x= number of milliliters of acid in the 342

milliliters of solution.

x/342 = 16./100 ---> x=342x16.1/100 ---> x=55 (Rounded)

Other Questions
PLEASE HELP I WILL MARK BRAINLIEST someone please help !! solve the inequality x^2-4x-7 Which represents a short-term storage for carbon?A Coral reefs formed from calcium carbonate. B. Coal formed from plants that lived long age C. Limestone rocks quarried at Earth's surface.D. Carbohydrates stored in fruits and vegetables. 1. The percentage of the labor force in the US that works directly inagriculture(farmers) is What happened because of Manifest Destiny? aWestern territories were not claimed by the United States. bReligious differences caused fighting in the United States cEuropean countries helped the United States expand its borders. dNative Americans were forced to leave their lands on the Trail of Tears. A student forgets to mix the second tube of the serial dilution. How might this affect the subsequent dilutions? What is the biggest difference between thermal energy and temperature? A restaurant buys a freezer that is 6 feet long, 2 feet wide, and 2.5 feet tall. What is the volume of the freezer? 21 cubic feet10.5 cubic feet30 cubic feet15 cubic feet The area of a circle is represented by the equation A = ar2 , where r is theradius. The area is 64 r m. What is the length of the diameter, in meters?A. 8 mB. 12 mC. 16 mD. 32 mPLEASE I NEED HELP Conjugate the following in bracket. Ninngono di mis primos (dormirse) durante el cuento. Novela La dama del alba en que se diferencia La madre y telva Is hunting a density-dependent or density-independent limiting factor? How does an economicsystem help a society dealwith the fundamentalproblem of scarcity? Help!!Conflictthe message of the storSettingThemePlotClimax[Choose]an object that represents a bigger ideaThe high point, or turning pointThe main characterthe problemThe villian, causes the problemHow everything works out, solves the conflictall the background informationthe message of the storyall the events in orderdifference between what is expected and what happensThe time and place of the storyClues to future eventsone event that sets up the problemthe perspective the story is told fromthe feelings the reader getsPoint of viewMoodforeshadowing Is Atticus a good father to Scout and Jem? What makes him a good father? Solution of y=2x^3-4x^2+3x-1 A dog weighs 60 N on planet Earth. On the moon, he would weigh about176 (one-sixth) of what he does on Earth. How much does the dog weigh onthe moon? What type of energy does each ball have before it falls 13.65 = h + 4.88 What the answer