Which muscles is most important to you and why?

Answers

Answer 1

Answer:

cardiac muscle

Explanation:

because they help the heart to pump blood to all parts of the body

Answer 2

Answer:

Muscle is also very important to everyone because we need our muscles to survive. The HEART is the strongest muscle in our body and is always looking to get stronger. Muscles enable us to be active and exercise. Our strength comes for our muscles and how much they are used.

Explanation:

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Related Questions

The F-C-F bond angle in the CH2F2 molecule is approximately __________.

Group of answer choices


180°


90°


120°


60°


109.5°

Answers

Answer:

109.5°

Explanation:

Pls Cross Check It, If It Correct

109.5° and it’s a Tetrahedral shape - a Carbon atom has 4 valence electrons and can share each electron with each of the 2 H atoms and 2 of the F atoms in order for them to form a full valence shell. This forms a 109.5° bond angle between F-C-F and all other atoms as the molecule experiences repulsion (atoms are trying to be as far apart as possible).

the name of this fatty acid is caprylic acid :

CH3(CH2)6COOH ??

Answers

Explanation:

Are you asking if that is the formula for caprylic acid? The answer is yes. CH₃(CH₂)₆COOH is the correct formula.

Caprylic acid, also known as C8 or octanoic acid, is a medium chain triglyceride (MCT) primarily found in coconut oil. It's the shortest of all the MCTs, making it the easiest for the body to break down into fuel. Once it is consumed, C8 is instantly digested and converted into ketones.

Please help me in this question about series circuit and pararell circuit

Answers

Explanation:

it is a parallel circuit.

hope this helps you.

Which charge does iron (Fe) have in iron sulfate (FeSO4)?
A) -1
B) +2
C) -2
D)+2

Answers

I’m not sure but I think the answer is B

The charge on iron (Fe) in iron sulfate (FeSO₄) is equal to +2. Therefore, option (D) is correct.

What are the ionic charges?

The ionic charge can be described as the oxidation number of the chemical species. The cation carries a positive ionic charge while Anion carries a negative ionic charge. The number of electrons gained or lost by an atom decides the charge carried by ions.

In the modern periodic table, the elements placed on the left side are electropositive and act as metals because they can donate one or more electrons. The elements placed on the right side are electronegative as they can accept one or more electrons and get a negative charge on their ions.

Considering that the charge on the iron is x, We know that charge on the sulfate ion is -2.

x - 2 = 0

x = +2

Therefore, the charge on iron (Fe) in iron sulfate (FeSO₄) is +2.

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How are the sensory clues from watching a fire different from the sensory clues from watching a firefly?​

Answers

Answer:

sensory experience of a chemical reaction called combustion. In a way, fire is like the leaves changing color in fall, the smell of fruit as it ripens, or a firefly's blinking light. All of these are sensory clues that a chemical reaction is taking place

Explanation:

Sensory encounter with the combustion chemical process. Fire can be compared to the fall foliage's shifting hues, the aroma of ripe fruit, or the blinking light of fireflies. These are all sensory indicators that a chemical reaction is occurring.

What is combustion?

Combustion is defined as a chemical interaction between different compounds, usually involving oxygen, that produces heat and light in the form of flames. Hydrocarbons and oxygen are the only reactants in a combustion reaction. The fuel is a hydrocarbon, and oxygen is required for burning.

It stimulates several of our senses at once, producing the vivid experience we anticipate from a tangible object. By using fuel, heat, and oxygen during combustion, that sensory experience is produced.

Thus, sensory encounter with the combustion chemical process. Fire can be compared to the fall foliage's shifting hues, the aroma of ripe fruit, or the blinking light of fireflies. These are all sensory indicators that a chemical reaction is occurring.

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Can I get some help

Answers

Answer:

I'm afraid not, the image is too blurry

yesss☺️

sorryyyyyy

sorryyyyy

It takes 120 mL of 0.15 M of carbonic acid (H2CO3) to neutralize 300 mL of sodium hydroxide (NaOH) for the following balanced chemical reaction:

2NaOH + H2CO3 → N2CO3 + 2NaOH

The concentration of the sodium hydroxide _____.

0.03 M
0.24 M
0.12 M
0.06 M

Answers

The concentration of the sodium hydroxide is 0.12 M.

It takes about 38 m3 of boards and plywood to build an average-size, single-family home. Can an average-size, single-family home be built with one day’s output from the saw mill? About how many days will it take for the saw mill to produce enough lumber to build a neighborhood of 100 average-size homes?

Answers

A) The answer to whether an average-size, single-family home be built with one day’s output from the saw mill is; No, it can't be built from one days output

B) The number of days will it take for the saw mill to produce enough lumber to build a neighborhood of 100 average-size homes is; 1100 days

A) From research, the average size capacity saw mill usually produces around 1500 board feet of boards per day.

Now, converting board ft to cubic meter gives;

1 board feet = 1/424 m³

Thus; 1500 board feet = 1500 * 1/424 ≈ 3.54 m³

Now, we are told that it takes 38 m³ of boards and plywood to build an average size single family home.

Since one days output = 3.54 m³

It is less than the volume required for the average sized house and so the daily output will not be sufficient.

B) Number of days to produce enough boards and plywood for the average sized family home = 38/3.54 ≈ 11 days

Thus, for 100  homes;

Number of days = 100 * 11 = 1100 days

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please explain me answer a b c d

Answers

Answer:

I don't know the answers of chemistry if you have an entrance question of maths so I can

[tex]\rule{2000pt}{1000000pt}[/tex]

1 gallon is how many mm

Answers

Answer:

0.133681 (cubic foot)

Explanation:

determine the gram-formula mass of stearin acid C17H35COOH

Answers

Answer:

284.48 g/mol

Explanation:

You can find the molar mass of any molecule by looking at a periodic table and adding up all of the masses of each element. When you do this with stearic acid, you get somewhere around 284.5 g/mol. Hope this helped!

When Zinc-67 is bombarded with a neutron, a gamma ray is emitted. What radioactive isotope is produced?

Answers

Answer:16/29

Explanation:




Draw the Lewis structures for

Calcium bromide, CaBr2

Answers

Since Calcium contains TWO valence electrons, it can donate each electron to each Br atom. Hence, Ca gains a charge of 2+ whereas each Br gains a 1-

The Lewis structure is the way of expressing the covalent bonding in molecules. The covalent bond formation takes place by the sharing of electrons in a molecule.

What is Lewis structure?

In Lewis dot structures or simply the Lewis structures, the dots are used to represent the electrons. They provide a picture of bonding in molecules in terms of the shared pair of electrons and the octet rule.

The concept of covalent bond is introduced by the scientist G.N Lewis. According to him, the atoms achieve stable octet when they are linked with each other by sharing of one more pairs of electrons. The covalent bonding occurs between the atoms which do not differ much in their electronegativity.

The Lewis structure of CaBr₂ is denoted below. Here two bromine atoms acquires a stable electronic configuration by sharing electrons. There are two single bonds between them.

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A student was asked to determine the concentration of ammonia, a volatile substance used in the clinical setting as a respiretory stimulant to prevent fainting. First the student pipetted 25.00 mL of the cloudy ammonia solution into a 250.0 mL conical flask. 50.00 mL of 0.100 mol L' HCl(aq) was immediately added to the conical flask which reacted with the ammonia in solution. The excess (unreacted) HCI was then titrated with 0.050 mol L- Na2CO3(aq). 21.50 mL of Na2CO3(aq) was required. Calculate the concentration of the ammonia in the cloudy ammonia solution.​

Answers

This question is describing two chemical equations whereby the concentration of ammonia has to be determined. The first reaction is between 25.00 mL of ammonia and 50.00 mL of 0.100-M HCl whose excess was neutralized with 21.50 mL of 0.050-M Na₂CO₃ and thus, the concentration ammonia in the cloudy solution was determined as 0.114 M.

First of all we need to go over the titration of the excess HCl with Na₂CO₃ by writing the chemical equation it takes place when they react:

[tex]2HCl+Na_2CO_3\rightarrow 2NaCl+CO_2+H_2O[/tex]

Whereas the mole ratio of HCl to Na₂CO₃ is 2:1 and the volume of the HCl leftover is determined as follows:

[tex]V_{HCl}^{leftover}=\frac{2*0.050M*21.50mL}{0.100M} =21.5mL[/tex]

Next, we infer that the consumed volume of HCl by the ammonia solution was:

[tex]V_{HCl}^{consumed}=50.00mL-21.50mL=28.5 mL[/tex]

Then, we write the chemical equation that takes place between ammonia and HCl:

[tex]HCl+NH_3\rightarrow NH_4Cl[/tex]

Whereas the mole ratio is now 1:1, which means that the concentration of ammonia was:

[tex]M_{NH_3}=\frac{28.5mL*0.100M}{25.00mL}\\\\ M_{NH_3}=0.114M[/tex]

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Calculate the molar mass of magnesium chloride, CaCl 2.

Ca = 40.1g, Cl = 35.5g

Answers

Answer:

Ca = 40.1 g

Cl = 35.5

So CaCl2

40.1 + 35.5×2

40.1 + 71

111.1 g

Answer above is correct

Triple covalent bond can be formed between:

a)C&H

b) N&S

c) C & S

d) C&O

e) O & S​

Answers

a triple covalent bond can be formed between d) C & O

What is the balanced form of the chemical equation shown below?
N2(g) + H2(9) ► NH3(9)
O A. N2(9) + H2(9) ► NH3(9)
B. N2(9) + H2(g) → 2NH3(9)
)
O C. N2(g) + 3H2(g) → 2NH3(9)
O 9
D. N2(9) + H2(g) → 2NH(9)

Answers

Answer:

C

Explanation:

2 N on left so we put a 2 on the right which makes 6 H so we need 6H on the left to do that we add a coef. of 3 to make 6 H and balance the equation

true or false in a chemical reaction the same number of each type of atom will always be present before and after the reaction takes place​

Answers

Answer:

True

Explanation:

True because of the law of conservation of mass, the same same amount of atoms will be on both sides of the reaction.

According to Hebrews 11, what did Abraham believe God would do if Isaac was slain as a sacrifice? Please help me I need it for tonight!

Answers

Answer:

Abraham thought that GOD would raise Issac back from the dead. It was a test and they would sacrifice the donkey instead.

a solid substance a is soluble in water to the extent of 10 mg/ml of water at 25oc and 100 mg/ml of water at 100oc. you have a sample that contains 100 mg of a and 25 mg of an impurity b. a and b have the same solubility behavior. if one 10ml portion of water was used for the recrystallization, what was the % recovery of a

Answers

Answer:

join the provisonal IRA and help free and unite ireland

Explanation:

fight aganst the english oppressors and free ireland

erinn go braugh

Please help due tomorrow

Answers

Answer:

The gravitational force at the center of the Earth is 0.

PLEASE HELP WILL GIVE BRAINLIEST

Answers

Answer:

Explanation:

Gravity pulls the balls down the ramp, and the force of gravity is bigger on larger-mass objects. The extra force on the bigger ball means that it has more energy when it gets to the bottom of the ramp and consequently travels more before stopping.

Please help due tomorrow
Giving Brainlesst

Answers

Answer:

Down arrow:

-a car comes to a stop when a traffic light turns red

Up arrow:

-race car accelerates when a race begins

Circle:

-car driving 45 mile per hour down straight road

Explanation:

and i think the car going around a bend would be an up arrow

help!!!! the relative formula mass (Mr) of sodium fluoride is 42. Use the correct answer frim the box to complete the sentence.​

Answers

Answer:

mole

Explanation:

Since Sodium Chloride is ionic, it cannot be considered a molecule as per the definition of a molecule requires each of its components to be bonded together.

The formula mass of a compound is the mass of its one molecule. Since molecule is the basic unit of a compound. Thus, the relative formula mass in grams is the mass of one molecule.

What is sodium fluoride?

Sodium fluoride is an ionic compound formed by the combination of sodium and fluorine by loss of one electron from sodium to fluorine. The  formula mass of fluorine is calculated from the atomic masses of sodium and fluorine.

Atomic mass of fluorine is 19 g/mol and mass of sodium is 23 g/mol. Here only one sodium and one fluorine is present. Hence the formula mass is 23+ 19 = 42.

This is the mass of one unit of NaF. Thus mass of one sodium fluoride molecule. Where as its molar mass may differ from the formula mass. Since the molar mass is the mass of one mole of the compound NaF. One mole of compound contains 6.02 × 10²³ molecules.

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Tyra designed an experiment to demonstrate an annular solar eclipse. The steps of the
experiment are listed below.
.
e
.
Place a light bulb on a stand.
Stick a pencil into a small styrofoam ball.
Switch on the light bulb and darken the room.
Stand facing the light bulb.
Hold the pencil with styrofoam ball very close to the eye.
Observe the light bulb without moving the eye and styrofoam ball.
Tyra's experiment has a flaw. Which of these statements best describes a method to
correct the flaw in Tyra's experiment? (3 points)
.
.
Place the light bulb behind the observer.
O Clamp the styrofoam ball behind the light bulb.
O Move eye towards the right to observe the light bulb.
Hold the styrofoam ball at arm's length from the eye.

Answers

Answer:

The answer is D.

Explanation:

Hold the styrofoam ball at arm's length from the eye.

Answer ASAP pls
The electromagnetic spectrum is the portion of energy that reaches the Earth from the Sun. However, the human eye can still only detect a portion of that spectrum because of the _____________ of the visible light waves.

wavelengths

troughs

crests

amplitude

Answers

Answer:

wavelengths

Explanation:

What other scientific fields are

included in earth science?

Answers

Geology , metrology , oceanography, and astronomy.
The study of Earth science includes many different fields, including geology, meteorology, oceanography, and astronomy.

If there is direct variation and y=75 when x=25, find x when y=48.


A. x=16

B. x=10

C. x=12

D. x=14

Answers

x = ky where k is a constant

first u find k so :
25 = k * 75
25/75 = k
k = 1/3

now when y = 48 just substitute the values
x = ky
x = 1/3 * 48
x = 16

the answer is A) x=16

If there is direct variation and y=75 when x=25,when y=48 X = 16. Therefore, option A is correct.

What is direct variation ?

link between two variables that can be described mathematically by an equation where one variable equals a constant multiplied by the other. For instance, the constant of variation is k = = 3 if y varies straight as x and y = 6 when x = 2. Consequently, y = 3x is the equation that describes this direct variation.

When x is not equal to zero, an equation of the form y = kx describes the linear function known as direct variation. When x is not equal to zero and k is a nonzero real number constant, the equation of the form xy = k describes the nonlinear function known as inverse variation.

x = ky

where k is constant

25 = k × 75

25 / 75 = k

k = 1 / 3

now when y = 48 then substitute the values

x = ky

x = 1 ÷ 3 × 48

x = 16

Thus, option A is correct.

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Drawing and dialogue please help due tomorrow

Answers

Answer:

Gravity will always be pulling everything towards Earth's center at an acceleration of 9.81 m/sec².

I need HELP ASAP PLEASE!!!!!

Answers

Answer:

All answers given in the photo

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