An organ system is formed by..

A) two or more cells working together.

B) two or more tissues working together.

C) two or more organs working together.

D) two or more organisms working together

Answers

Answer 1
I think it is b because it's made up out of two or more tissues

Related Questions

Cualquier liquido a 25°C de temperatura y al nivel del mar a) adquiere una forma y volumen definido b) posee la forma del recipiente que lo contiene y ocupa un volumen constante c) no tiene forma ni volumen definidos d) tiene estructura cristalina

Answers

Answer:

b) posee la forma del recipiente que lo contiene y ocupa un volumen constante

Explanation:

Hay tres estados de la materia;

Sólido

Líquido

Gas

En estado líquido, la materia no tiene forma ni volumen definidos. Esto implica que la materia adquiere la forma del recipiente en el que se encuentra.

El líquido tiene un volumen definido. No ocupa el volumen del envase.

More about this source textSource text required for additional translation information

What causes the release of energy in an exothermic reaction? Bonds breaking Bonds breaking A catalyst A catalyst Bonds being formed Bonds being formed Electrons escaping the bond

Answers

Answer:

weak bonds break and strong bonds form

Explanation:

An exothermic reaction is a chemical reaction in which heat energy is evolved during the reaction process.

Bond formation requires energy while bond breakage releases energy. More energy is needed for the formation of weak bonds as compared to strong bonds.

Hence, when weak bonds break, they release more energy than needed to make a corresponding strong bond leading to the release of the remaining energy as heat.

Can rotation and revolution occur at the same time? Explain.

Answers

Answer:

yes

Explanation:

Revolution is the movement of an object around another object. So, Earth revolves around the Sun, and the Moon revolves around Earth. At the same time, Earth and the Moon are also rotating. Earth's rate of revolution is about 365 days (one year), and its rate of rotation is about 24 hours (one day).

Lab: Limiting Reactant and Percent Yield
Student Guide
Pre-Lab Information
Purpose Explore the yield of a chemical reaction by identifying the limiting reactant, comparing the
theoretical and actual yields, and explaining the sources of error.
Time Approximately 45 minutes
Question While observing a chemical reaction, how can you tell which reactant is limiting?
Reaction The reaction of copper(II) chloride and aluminum is shown in this balanced equation:
3CuCl2 + 2Al  2AlCl3 + 3Cu
Hypothesis If a substance is the limiting reactant, then it will be fully consumed by the time the
reaction completes because it is the reactant that reacts completely and the reaction
cannot proceed further.
Summary You will react copper(II) chloride with different quantities of aluminum in two trials. You
will also calculate percent yield for Trial 2.

Answers

Answer:

pre lab information would be the thing you to ressearch the lab to get the information

Limiting Reactant and Percent Yield Lab Report attached

Which change of phase is most likely occurring in the beaker

Answers

Answer:

Evaporation

Explanation:

Heat makes molecules move and eventually evaporate.

When
Mercury
orbits
the
Sun,
it
gets
as
close
as
4.8
x
107
miles
to
the
Earth.

It
gets
as
far
as
1.38
x
108
miles
to
the
Earth.

What
is
the
difference
of
these
two distances

Answers

Answer:

hdkdjfjhdakdhevghggggfdffggggfggcdhxgjcfogogi

A 1.5 L pocket of air with a temperature of 295 K rises in the atmosphere. What will be the volume of the air pocket of the t temperature decreased to 2 celsius and the pressure is not changed.

Answers

Answer:

1.4 L.

Explanation:

Applying Charles law,

V/T = V'/T'....................... Equation 1

Where V = Initial volume, V' = Final volume, T = Initial Temperature in Kelvin, T' = Final Temperature in Kelvin.

Make V' the subject of the equation

V' = (V/T)T'..................... Euqation 2

Given: V = 1.5 L, T = 295 K, T' = 2 °C = (2+273) K = 275 K

Substitute these values into equation 2

V' = (1.5/295)275

V' = 1.398

V' ≈ 1.4 L

How many moles of KClO3 are needed to produce 480 grams of O2?

Answers

Answer:

2:3

You'd need 33.3 moles of potassium chlorate, KClO3 , to produce that much oxygen. Notice that you have a 2:3. mole ratio between potassium chlorate and oxygen gas, which means that, regardless of how many moles of the former react, you'll always produce 3/2 times more moles of the latter.

Explanation:

9. Why do bees pollinate flowers?
A. They want to get to food in the flower.

B. They want to make seeds.

C. They want to help the flowers reproduce.

D. They want protection.

Answers

Explanation: B.

Bees pollinate in order to sweeten their seed

Answer:

A

Explanation:

Bees make excellent pollinators because most of their lives is spent collecting pollen which acts as a protein to feed their offspring

3. how many moles are present in 10.0 g of aluminum(Al)​

Answers

Answer:

1 Mole

here is answer

hope it will help you

Calculate the molarity of a solution prepared by dissolving 6.87 grams of AgNO3 in enough water to make 2.50 liters of solution.

Answers

Answer:

The molarity of the solution is 0.016 [tex]\frac{moles}{L}[/tex]

Explanation:

Molar concentration is a measure of the concentration of a solute in a solution.

Molarity (M) or Molar Concentration is the number of moles of solute that are dissolved in a certain volume.

Molarity is determined by dividing the moles of the solute by the volume of the solution:

[tex]Molarity=\frac{number of moles of solute}{volume}[/tex]

Molarity is expressed in units [tex]\frac{moles}{liter}[/tex].

Being 169.87 g / mole the molar mass of AgNO₃, then you can apply the following rule of three: if 169.87 grams are contained in 1 mole, 6.87 grams are contained in how many moles?

[tex]amount of moles=\frac{6.87 grams*1 mole}{169.87 grams}[/tex]

amount of moles= 0.04 moles

Then:

number of moles of solute: 0.04 molesvolume: 2.50 L

Replacing:

[tex]Molarity=\frac{0.04 moles}{2.50 L}[/tex]

Solving:

Molarity= 0.016 [tex]\frac{moles}{L}[/tex]

The molarity of the solution is 0.016 [tex]\frac{moles}{L}[/tex]

___ SeCl6 + ___ O2 --> ___ SeO2 + ___ Cl2

What is the balanced equation for these reactions?

I give Brainliest! Please no links

Answers

Answer:

SeCl₆ + O₂ → SeO₂ + 3Cl₂

Explanation:

Unbalanced:

SeCl₆ + O₂ → SeO₂ + Cl₂

Count the atoms.

On the left side, we have 1 Se atom, 6 Cl atoms, and 2 O atoms.

On the right side, we have 1 Se atom, 2 O atoms, and 2 Cl atoms.

So everything is balanced except for Cl. To balance, we put a 3 coefficient in front of Cl₂.

SeCl₆ + O₂ → SeO₂ + 3Cl₂

c:

Can the solubility rules be used to find the state of any compound?

Answers

Answer:

yes

Explanation:

solubility rules allow prediction of what products will be insoluble in water.

Calculate the concentration of hydrochloric acid if 50.0 mL of hydrochloric acid is neutralized by 25.0 mL of 2.0 M sodium hydroxide. The neutralization reaction is shown below HCl + NaOH > H2O + NaCl

Answers

Answer:

1.0M HCl is the concentration of the acid

Explanation:

Based on the reaction, 1 mole of NaOH reacts per mole of HCl. That means the moles added of NaOH in the neutralization = Moles of HCl in the solution. With the moles and the volume in Liters we can find the molar concentration of HCl

Moles NaOH = Moles HCl:

25.0mL = 0.025L * (2.0moles / L) = 0.050moles HCl

Molarity:

0.050moles HCl / 0.0500L =

1.0M HCl is the concentration of the acid

PLEASE HELP ME WITH PHYSICAL SCIENCE!! PRETTY EASY QUESTION ​

Answers

Explanation:

Bbbbbbbbbbbbbbbbbbbbb

Answer:

B.

Explanation:

the substance would still be pure because both of the atoms are natural

it wouldnt create something pure or new it would just combine

so it would be B

hope this helps!

~goldfishareswag/brianna

:)

1. Newton’s second law of motion describes the relationship between force, mass, and acceleration. Write the equation.

Answers

Answer:

F=ma where F = force in N, m = mass in g and a = acceleration in [tex]m/s^{2}[/tex]

Describe how temperature changes the average Molecular kinetic energy?

Answers

an increase in temperature will increase the average kinetic energy of the molecules. As the particles move faster, they will likely hit the edge of the container more often.

According to Kinetic Molecular Theory, an increase in temperature will increase the average kinetic energy of the molecules. As the particles move faster, they will likely hit the edge of the container more often. If the reaction is kept at constant pressure, they must stay farther apart, and an increase in volume will compensate for the increase in particle collision with the surface of the container.

hope this helps!

could i get brainiest?

6.73 moles of h2o will have a mass of how many grams h2o

Answers

Answer:

121.14 g H20

Explanation:

2 (atomic weight of H2) + 16 (atomic weight of oxygen)= 18

6.73 x 18= 121.14 g

How are bird bones adapted for flight?
1. They are thin.
2. They are hollow.
3. They are strong.
4. Birds do not have many bones.

Answers

The answers will be number 4. Birds do not have many bones

Answer:

2. They are hollow.

Explanation:

goo  gle says

1. The largest particles that a stream deposits as it enters a pond are 8 centimeters in diameter. The
minimum velocity of the stream is approximately
1) 100 cm/sec 2) 200 cm/sec 3) 300 cm/sec 4) 400 cm/sec

Answers

Don’t click on the link it’s a scam

How is energy from grass passed on between animals

Answers

Answer:

its nuber 3

wdPDAPS

Explanation:

What’s the answer please give me the answer

Answers

Answer:

replication

:D

Helppppppppppppppppppppppppppppppppppppp

Answers

Answer:

0.67moles

Explanation:

The balanced equation of the chemical reaction given in this question is:

N2 + 3H2 → 2NH3

According to this equation, 3 moles of hydrogen gas (H2) produces 2 moles of ammonia gas (NH3)

Therefore, 1 mole of hydrogen gas (H2) will produce;

= 1 × 2/3

= 2/3

= 0.6666

= 0.67moles of ammonia (NH3)

Mg(OH)2 + 2HNO3 → Mg(NO3)2 + 2H20

If 375.96 grams of H20 are produced, how many grams of HNO reacted? PLS NO LINKS AND ILL GIVE BRAINLIEST

Answers

Answer:

A. 1350

You multiply 18.21HNO3* 1mol MgN2O6 * 148.30MgN2O6

Then divide it by the 2mol HNO3 to get 1350

How are the testes and the ovaries similar?

They are part of the human skeleton.
They are reproductive organs.
They are sensory organs.
They produce sperm.

Answers

They are reproductive organs
I think it is “they are reproductive organs

Thermal energy is measurement of what type of molecular energy? *

Answers

Answer:

Kinetic energy!

Explanation:

It measures the average kinetic energy of the molecules of a substance in degrees Fahrenheit (F) or Celsius (C).

Have a good day!!

Read the temperature in the image:
Is it 18.7?

Answers

Answer:

yes it is 18.7

can anyone help me with this question please! asap

Answers

Answer:

The correct answer to that question is glaciers, waves, wind.

Answer:

I think it is D but I could be wrong.

Explanation:

The molarity of a solution that contains 28 g KOH (molar mass 56 g/mol) per 250 mL of solution is:

Answers

Molarity = moles of solute/volume of solution in liters

The solute here is KOH. We have the mass of KOH, and we can calculate the number of moles by dividing by the molar mass: (28 g KOH)/(56 g/mol) = 0.5 mol KOH. The volume of our solution is 0.250 L.

So, the molarity of the solution would be (0.5 mol KOH)/(0.250 L) = 2 mol/L KOH or 2 M KOH.

what are the respective coefficients needed to balance the equation below _N2(g) + _H2(g) --> _NH3(g)

Answers

This is the answer:
N2+3H2=2NH3

In the balanced equation, the mass of reactant is exactly equal to the mass of product. The respective coefficients needed to balance the equation is N₂(g) + 3H₂(g) ⇒ NH₃(g) .

What is balanced equation ?

A chemical equation that is balanced has equal amounts of each element's atoms on both sides of the equation and conserves mass.

Because mass cannot be generated or destroyed, according to the rule of conservation of mass, a chemical equation must always be in balance.

The Law of Conservation of Mass is followed by a balanced equation. This is a crucial scientific guiding principle. Finally, a balanced equation enables us to forecast the quantity of reactants and products that will be produced. Sort of crucial if you're attempting to determine how much fuel to supply a spacecraft traveling to Mars

Thus, the balanced equation is N₂(g) + 3H₂(g) ⇒ NH₃(g) .

To learn more about balanced equation, follow the link;

https://brainly.com/question/7181548

#SPJ2

Other Questions
Please Help! Geometry What is the solution of the system of equations? {7/2x1/2y=9/2 {3xy=5 Enter your answer in the boxes. Cuantas cifras se emplean para numerar las 48 paginas de una revista? Write in complete sentence for each example:1. seria/Olga/una estudiante es2. un amigo/ es / bueno / Guillermo3. Javier/ una estudiante/ es/ trabajador4. es/ Concha/ simpatica/ una chica Who holds more responsibility for media bias the journalist or the reader An office building is expected to create operating cash flows of $30,500 a year for three years, based on tenants' rental income. The purchase of the fixed assets for this building will cost $63,000. These assets will have no value at the end of the project. An additional $2,000 of net working capital will be required throughout the life of the project. Calculate the net present value of this project if the required rate of return is 14 percent HELP PLS ASAP PLS PLS DUE SOON The purpose of the act was to encourage American Indians to become farmers PLEASE HELP ME During World War II, Native American soldiers...created a new code after theirs was cracked.Bwere involved more in combat rather than communications,served in safe locations far from the front lines of battle.Dsent secret information throughout Europe and the Pacific French hw Help plssss According to the text, which statement best describes a goal Cabeza de Vaca had for his travels in "A Journey Through Texas"? Which of the following is not an example of coevolution? A. Prey evolve faster running to escape, and predators evolve to smarter at catching prey. B. Predators evolve heavy jaws to crunch the bones of herbivores, and herbivores evolve thick fur for warmth. C. Plants evolve chemical defenses and herbivores evolve ways to neutralize the chemicals. D. Insects evolve green wings to blend into the environment, and predators evolve better eyesight to find the prey. Explain why. 7th grade math please help heh A international company has 26,700 employees in one country. If this represents 31.6% of the company's employees,how many employees does it have in total 50 POINTS!!LANDSCAPE WITH THE FALL OF ICARUSWrite a paragraph addressing what you think might be the theme of this poem. Ultimately, there is no absolutely right answer, however there are some that might be a bit better than others. You can prove that you've chosen wisely by giving support for your claim by citing specific lines from the poem and discussing how those lines demonstrate yourtheme interpretation in some way. Submit the paragraph to your instructor. Can someone help me with this bell work, it is due at 2:15. It is attached! When a patient experiences respiratory alkalosis, thephysiological compensation will be what? When was the Battle of the Bulge? (WWII) someone please please help with this I would really appreciate it ! The writer uses connotations that A) are neutral. B) suggest positive things about Olympic runners. C) suggest negative things about the Peachtree Road Race. Eliminate D) suggest positive things about the Peachtree Road Race.