Answer:
The ecological relationship between termites and the wood-digesting protozoans that live in their gut is an example of mutualism. Thank you for posting your question here at brainly. I hope the answer will help you.
which two body systems are primarily responsible for locomotion
Locomotion and movement are brought about by skeletal and muscular system of the body. It’s a coordinated event of the skeletal and muscular system brought by contraction and relaxation of muscles.
How does locomotion occur in our body?
Locomotion occurs with help of specialised muscles, muscular and non-muscular by nature.
It involves the interaction of muscles (tendons and ligaments) and skeletal joints and cartilage
Locomotion is a voluntary action which require involvement of the nervous system.
In muscles actin and myosin protein forms cross bridges, consuming ATP.
Hence, to bring about locomotion skeletal and are responsible.
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What is the frequency of 14000 X ray photons having an energy of 5.27*10-5 J/Hz
The frequency of the X - ray is [tex]7.95 \times 10^{28} \ Hz[/tex].
The given parameters:
Energy of the X-ray, E = 5.27 x 10⁻⁵ JThe frequency of the wave is calculated as follows;
[tex]E = hf\\\\f = \frac{E}{h} \\\\[/tex]
where;
h is Planck's constant = 6.626 x 10⁻³⁴ J/HzSubstitute the given parameters;
[tex]f = \frac{E}{h} \\\\f = \frac{5.27 \times 10^{-5} }{6.626 \times 10^{-34}} \\\\f = 7.95 \times 10^{28} \ Hz[/tex]
Thus, the frequency of the X - ray is [tex]7.95 \times 10^{28} \ Hz[/tex].
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20 PIONTS PLZ HELP
What mass of calcium chloride is needed to make 330.0 mL of 0.125 M
solution?
Answer:
4.58g
Explanation:
1.) What is the molar mass of CaCI2?
= 110.98 g/mol
2.) Find the mols
[tex]conc = \frac{mol}{volume(l)} [/tex]
conc × volume= mol
0.125 M x 0.33 L = 0.04125mol ( 330mL was converted to "L" by dividing 330 by 1000)
3.) The mass(g)
g= mol x atomic weight
g= 110.98g/mol × 0.04125
= 4.58 g
# NOTE M = mol/L
The balanced equation shows how sodium chloride reacts with silver nitrate to form sodium nitrate and silver chloride. NaCl AgNO3 Right arrow. NaNO3 AgCl If 4. 00 g of NaCl react with 10. 00 g of AgNO3, what is the excess reactant? AgCl NaCl AgNO3 NaNO3.
The reactant that has been present in excess in the reaction has been NaCl. Thus, option B is correct.
The balanced chemical equation has been:
[tex]\rm NaCl\;+\;AgNO_3\;\rightarrow\;NaNO_3\;+\;3\;AgCl[/tex]
From the balanced equation, for complete utilization of 1 mole of sodium chloride, 1 mole of silver nitrate has been used.
The moles of can be given as:
[tex]\text Moles\;=\;\dfrac{m}{mwt}[/tex]
Where, mass of Silver nitrate, [tex]m=10\;\text g[/tex]
Molecular mass of silver nitrate, [tex]mwt=168\9.87\;\text {g/mol}[/tex]
Substituting the values, moles of silver nitrate has been:
[tex]\rm Moles \;AgNO_3=\dfrac{10}{169.87} \\Moles \;AgNO_3=0.058\;mol[/tex]
Mass of sodium chloride, [tex]m=4\;\text g[/tex]
Molecular mass of sodium chloride, [tex]mwt=58.44\;\text {g/mol}[/tex]
Substituting the values, moles of sodium chloride has been:
[tex]\rm Moles\;NaCl=\dfrac{4}{58.44}\\Moles\;NaCl=0.068\;mol[/tex]
From the balanced chemical equation,
[tex]\rm 1\;moles\;AgNO_3=1\;moles\;NaCl\\0.058\;mol\;AgNO_3=0.058\;mol\;NaCl[/tex]
Since, the available moles of NaCl has been 0.06 mol, and used NaCl has been 0.05 mol. Thus, NaCl has been the excess reactant. Hence, option B is correct.
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Answer:
B- NaCl
Explanation:
if this helped could you put this as the brainiest
What is the difference between a conductor and an insulator?
What is the relationship between plants soil and fertilizers?
For an electric toothbrush, is input energy equal to useful output energy? Explain
your answer.
No, input energy is not equal to useful output energy, if it is an electric toothbrush.
What is the useful type of energy produced in an electric toothbrush?Electrical Energy is the useful type of energy produced in an electric toothbrush.
If input energy is equal to useful output energy. This means that the total amount of energy that is in an isolated system (such as an engine or a generator) remains constant (conserved) over time.
However, the total amount of useful energy output of an isolated system is never equal to the total energy input.
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What is the formula for this compound?
2 atoms of aluminum, 3 atoms of sulfur
Answer:
A
Explanation:
2 atoms of aluminum, 3 atoms of sulfur
Aluminum = Al
Sulfer = S
i just took the test
The formula for 2 atoms of Al and 3 atoms of S is Al₂S₃ and is named Aluminium Sulphide.
How are the formulas of the compound formed?Al has atomic no. =13, S has atomic no.=16
So the valencies of the given elements are
Al⁺³ and S⁻² to attain the noble gas configuration.
Al⁺³↘ ↙S⁻³
Al₂S₃
Cross multiply the valancies for the formation of molecular formula.
Hence, the formula is Al₂S₃.
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What is pseudoscience and how is it different from science
Answer:
a difference in attitude
Explanation:
It's just not science. ... The big difference Popper identifies between science and pseudo-science is a difference in attitude. While a pseudo-science is set up to look for evidence that supports its claims, Popper says, a science is set up to challenge its claims and look for evidence that might prove it false.
two samples of solids have similar reactivity with acids and similar densities. their masses and volumes, however, are not at all similar. is it possible that these are the same substance?
Given that the volume and mass of a substance are not defining properties, it is entirely possible for two samples with different volumes and mass to be the same substance.
What are defining properties of a substance?These are properties that can help us to identify a substance. The most useful of which tend to be chemical properties such as reactiveness or melting points. Colors and density can also offer the insight needed to identify elements and substances. Mass and volume are not properties of a substance given that they can change often depending on the sample size and thus do not help to identify a substance.Therefore, since the volume and mass of a substance are not defining properties of a substance, we can confirm that it is entirely possible for two samples with different volumes and mass to be the same substance.
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After moving down a group in the periodic table, the number of valence electrons
the number of Valence electrons remains the same
FOR THE LOVE OF GOD SOMEONE PLEASE HELP ME
WHAT IS THE OXIDATION NUMBER OF THE S IN SO^-2 ???
Answer:
The oxidation number for sulfur in SO2 is +4.
Explanation:
To find the oxidation number of sulfur, it is simply a matter of using the formula SO2 and writing the oxidation numbers as S = (x) and O2 = 2(-2) = -4. Using the rule and adding the oxidation numbers in the compound, the equation becomes x +(-4 ) = 0. Solving for x, it is evident that the oxidation number for sulfur is +4.
The last layer in layered design is _____________. Object Process None of the options Atoms Sub process
The last layer in the layered design is system layer so none of the above is the correct option.
Robotic Process Automation is a software technology that make use of some programs of computer to copy or mimic the behaviors of human when it has access with them. They been use effectively and ensure the work is perfectly done.
There are layers in the Robotic process automation but the last layer is System layer.
They can handle high volume of tasks.
The lowermost layer is associated with individual screen interactions. The lowermost layer in the layered design of Robotic process automation is the component layer or system layer . The Robotic Process Automation and this form technology is in robots creation.
Therefore, The last layer in layered design Is System layer so none of the above is the correct option.
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What is the minimum uncertainty in a simultaneous measurement of the y-component of the proton's velocity?.
Answer: c
Explanation:
A penny is 0.061 inches thick. What is the value of the 6 in the thickness of a penny? Mathematics not chemistry
Answer:
because of the location of the 6 the answer is 6 cent
Answer:
Hundredths
Explanation:
$6 times 1/$100. The 0 is tenths, the 6 is hundredths and the 1 is thousandths.
Which of the following statements describes sound energy?
Sound energy does not travel at all.
Sound energy needs a medium to travel through.
Sound energy can travel in empty space.
Sound energy can only travel through air.
Answer:
C.
Explanation:
What is the one defining abiotic factor of a desert?
cold temperatures
high winds
little or no rainfall
high humidity
Hello! :p .
deserts are known to have little to no rain fall & drop to very low temperatures at night! I hope this helps!
Answer: little or no rainfall
Explanation: Precipitation, sunlight, and temperature are all abiotic factors.
Deserts have a lack of rainfall.
Some deserts are hot, some deserts can be cold too.
Abiotic factors are extreme temperatures of the day and night the fast winds the strong amount of sunlight scarcity of water
Which of the following could be classified as producing a physical change?
A. Burning a candle
B. Leaving a bicycle outside to rust
C. Bending sheet metal
D. Toasting a slice of bread
Answer:
C. Bending sheet metal.
Explanation:
The metal is still intact. No change in chemical bonds have occurred.
Burning a candle is converting wax into heat, CO2 and carbon soot.
A rusting bicycle is converting goof iron, Fe, into iron oxide (rust, Fe2O3)
Toasting bread is more difficult to define. If the bread is just warmed, then it is physical. If it is toasted (browned/burned), then a few surface molecules have been converted into tasty carcinogens, my favorite poison.
A Herbig-Haro (HH) object is:_:_________.
a. a small galaxy just outside the outer edge of the Milky Way
b. where a jet from a star in the process of being born collides with (and lights up) a nearby cloud of interstellar matter
c. a part of a giant molecular cloud where molecules containing two hydrogen atoms form
d. a star that has too little mass to start fusion in its core
e. cluster of very low-mass stars, observable only with infrared radiation
Given what we know about Herbig-Haro (HH) objects, we can confirm that they are born from the collision between a jet from a star and clouds of interstellar matter.
What are Herbig-Haro (HH) objects?To put it simply, a Herbig-Haro (HH) object is what we observe as a bright spot in distant space. Upon closer observation we can observe that these giant bright patches are not lone objects, but in fact immense groups of interstellar matter. How Herbig-Haro (HH) objects are formed.The formation of one of these interstellar groups requires an immense amount of energy. This energy come from the speed at which the materials that form these objects collide.As stated in the question, the jet released from a star in the process of being born smashes into a giant cloud of dust and interstellar material to form the Herbig-Haro (HH) objects. This collision happens at hundreds of km/s. To put it into perspective, it would be roughly 500,000 miles per hour.Therefore, we can confirm that option b, which states, "where a jet from a star in the process of being born collides with (and lights up) a nearby cloud of interstellar matter", is the correct choice for the question pertaining to Herbig-Haro (HH) objects.
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five (5) muscular injuries and disease
Answer:
tendinitis.
carpal tunnel syndrome.
osteoarthritis.
rheumatoid arthritis (RA)
fibromyalgia.
bone fractures.
Please help me with this
Beer Lambert Law Explanation
Answer:
The Beer–Lambert law, also known as Beer's law, the Lambert–Beer law, or the Beer–Lambert–Bouguer law relates the attenuation of light to the properties of the material through which the light is travelling.
Explanation:
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What does the answer of element 3Na2S2O3?
Answer:
Explanation:
3× 22+2×32+ 6×16=
66+64+96=236
What mass of sugar and water is needed to make 40 g of 10% solution?
Answer
16g
Percent by mass= mass of solute/mass of solution * 100
Explanation: work out the equation
HURRY I HAVE 20 MIN LEFT will mark brainllest When. Coach Kwan notices that a player is getting tired, she takes out the tired player and substitutes a fresh player. Which type of chemical reaction does this best model?
replacement
decomposition
synthesis
oxidation
How many oxygen atoms
in a molecule of table sugar (C12H22011)?
ОА 45
ООО
В. 22
с 12
Op. 11
SUBMIT
Answer:
6.6242 x 10 ^ 24
Explanation:
This is the correct answer because you know there is 11 oxygen moles in 1 mole of sugar so using dimensional analysis you can solve it. You start will 11 moles of oxygen, and multiply by Avogadro's number(6.022 x 10 ^23) to get the amount of atoms. I don't see it as an answer, but I am confident in this, so I would ask your teacher specifically.
Hope this helps!
What are ocean currents?
Answer:
What are ocean currents?Ocean currents are continuous movements of water in the ocean that follow set paths, kind of like rivers in the ocean.Explain what happens during soil depletion and also how we can help prevent this naturally without chemicals?
PLZ FAST TYY <3
Answer: create more healthy products for the soil and animals
Explanation:
The Lewis dot model of an atom has seven dots. Which of the following is true about the atom?
A) it has seven energy levels.
B) it has one valance shell electron.
C) it requires one electron to complete it’s octet.
D) it requires seven other atoms to form a stable compound.
It requires one electron to complete its octet
The Lewis dot model of an atom has seven dots. The statement true about atom is,
It requires one electron to complete it’s octet.So, option C is correct one.
What is Lewis dot model?The simple representation of the valence shell electrons in a molecule.The Lewis structure is also known as Lewis dot formula, electron dot structure, Lewis dot structure, Lewis electron dot structure.It is used to show the arrangement of electrons around individual atoms in the molecule. In this representation valence electrons of atom is shows as dot or bonding electrons as a line between two atoms.What is valence electrons?The electron/electrons present in valence shell is called valence electrons. Each atoms require eight electrons to complete their octet or valence shell.
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1. While on a movie set, a stuntman jumps off
the roof of a building. As he falls toward an
airbag, what is increasing?
A. gravity
B. wind velocity
C. kinetic energy
D. potential energy
kinetic energy kkkkkkkkkk
what is a tidal barrage
plase explaine
Answer:
A dam like structure used to capture energy from masses of water moving in or out of a bay of rivers due to tidal force is called tidal barrage.
Explanation:
It may help you to solve question.