Which of the following are reasons the ocean marine biomes are a challenging place for organisms to live? Choose all that apply.

Question 13 options:

some areas are extremely dark and deep


high waves can be rough and powerful


all of the organisms have to live without sunlight


organisms have to be able to live in extremely salty conditions

Answers

Answer 1

In an ecosystem, the reason that ocean marine biomes are a challenging place for organisms to live because they have to be able to live in extremely salty conditions.

What is an ecosystem?

Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.

Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.

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Related Questions

In an effort to maintain homeostasis, the organ systems of the human body work to keep the body's internal water level constant. Which of the following statements describe how the human body responds when its internal water level drops too low?

A. The skeletal system produces more circulating blood cells that insecure the body’s water intake

B. The excretory system signals the kidneys to retain more water and produce more concentrated urine to decrease water loss.

C. The nervous system signals the muscles to constrict , holding more water in the digestive track and decreasing water loss .

D.The excretory system signals the kidneys to release more water into the bladder to increase water loss .

Answers

B. The excretory system signals the kidneys to retain more water and produce more concentrated urine to decrease water loss

Ethyne or acetylene can be hydrogenated to change from the triple bonded C2H2 to the double-bonded C2H4. Adding hydrogens in organic chemistry is called reduction. Adding and removing hydrogens are important steps in chemical manufacturing. Calculate the value of ΔS° for the catalytic hydrogenation of acetylene to ethene,

C2H2 (g) + H2 (g) --> C2H4 (g)


A. +18.6 J/mol K

B. -18.6 J/mol K

C. -112.0 J/mol K

D. +112.0 J/mol K

Answers

The correct answer is

C. -112.0 J/mol K

A gas has a pressure of 1.5 atm at 100K. If the pressure changes to 6 atm, what is the new temperature be?​

Answers

Answer:

400k

Explanation:

volume is constant

P1/T1=P2/T2

1.5/100=6/T2

T2=(100×6)/1.5

T2=400k

What molecule represents this structure

A)NH4
B)NH3
C)NH4+
D)NH3+

Answers

Explanation:

As I think Option C is correct i.e. NH4+.

There are two forms of glucose (alpha-glucose and beta-glucose) in equilibrium.These isomers can interconvert through amechanism called mutarotation.Draw the two possible chair conformations for alpha-glucose. Circle the more stable conformation and explain your reasoning.(Hint: For full credit(1) drawbonds that are parallel correctlyand (2) draw the equatorial bonds with the correct directionality). (6 points).

Answers

Answer:

Please find the solution in the attached file.

Explanation:

The two chairs of the confirmation of the alpha glucose were defined in the attached file.  

who am I? my number name has the same number of letters as me. I am number _____​

Answers

Answer:

four

is the answer

THIS IS EASY

How many moles of nitrogen are required to produce 13.5 g of NH 3?

Answers

Answer:

number of moles of (N) = 0.794 moles

Explanation:

From the given information:

no of moles of nitrogen (N) = (unknown)???

mass of nitrogen = 13.5 g

molar mass of NH3 = 14 +( 1 × 3) = 17 g/mol

To calculate the no of moles of N, we have:

number of moles of (N) = mass of N/molar mass

number of moles of (N) = 13.5 g/17 g/mol

number of moles of (N) = 0.794 moles

QA49 (N13/13/Q9)
Use of the Data Booklet is relevant to this question.
When an evacuated fluorescent light tube of volume 300 cm^3 is filled with a gas at 300K and
101 kPa, the mass of the tube increases by 1.02g. The gas obeys the ideal gas equation
What is the identity of the gas?

A argon
B krypton
C neon
D nitrogen

Answers

Nitrogen gas is the Answer
D, nitrogen is the correct answer

Calculate the maximum work available from 50.0 g of aluminum in the following cell when the cell potential is 1.15 V. Al(s) |Al3+(aq) || H+(aq) | O2(g) |Pt. Note that O2 is reduced to H2O.​

Answers

Answer:

W = 615.91 kJ

Explanation:

We need to use the following expression:

W = ΔG° * mol   (1)

But in order to determine the ΔG° we need the following expression:

ΔG° = -n * F * E°   (2)

Where F is a constant and is 96,500 J/V mol

n is the number of transferred electrons in the reaction. As we are passing from Al to Al³⁺ we can say that the number of electrons are 3.

Finally to get the moles, we need the the atomic weight of aluminum which is 26.98 g/mol, so the moles:

moles = m/MM   (3)

Let's calculate the moles of aluminum:

moles = 50 / 26.98 = 1.85 moles of aluminum

Now let's calculate the gibbs energy using (2):

ΔG° = -3 * 96,500 * 1.15

ΔG° = -332,925 J or simply -332.925 kJ/mol

Finally, using (1) we can determine the work done:

W = 332.925 * 1.85

W = 615.91 kJ

Hope this helps

The maximum work available from 50.0 g of aluminum in the following cell when the cell potential is 1.15 V will be 615.91 kJ

What is cell potential ?

The cell potential, Ecell, is the measure of the potential difference between two half cells in an electrochemical cell.

Expression for work done ;

W = ΔG° x mol   (1)

But, to determine the ΔG°

ΔG° = -n x F x E°   (2)

Where,

F is a constant and is 96,500 J/V moln is the number of transferred electrons in the reaction.

(As there is variation from Al to Al³⁺ the change in number of electrons are 3)

To get the moles,

moles = m/MM  (3)

moles = 50 / 26.98 = 1.85 moles of aluminum

Now,

ΔG° = -3 x 96,500 x 1.15

ΔG° = -332,925 J  

       = -332.925 kJ/mol

Now, using (1) we can determine the work done:

W = 332.925 x 1.85

W = 615.91 kJ

Hence, The maximum work available from 50.0 g of aluminum in the following cell when the cell potential is 1.15 V will be 615.91 kJ

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3. If an item of trash is described as highly biodegradable, is that a physical property or
chemical property?.

Answers

its a chemical property my friend

Question 4 (10 points)
If a sollition has a pOH of 5.2 the [OH-] of the solution is
оа
6x 10-6 M
Ob
6.3 x 10-6 M
Oc
1.58 x 10-5M
Od
2x10-5M

Answers

Answer:

     

Explanation:

       


Which of the following is an example
of a chemical property?
A. Iron has a tendency to rust.
B. The boiling point of water is 100°C.
C. Salt will dissolve in water.
D. Chlorine does not conduct
electricity

Answers

Answer:

Examples of chemical properties include flammability, toxicity, acidity, reactivity (many types), and heat of combustion.

A is the answer because when iron rusts, the iron atoms combine with oxygen atoms to form a different chemical substance. Rusting is therefore a chemical change and the tendency of iron to rust is a chemical property

PLEASE HURRY I GIVE BRAINLY AND EXTRA POINTS !!!!!!!!

How can light from the sun cause skin cancer?

Answers

The sun is the source, and the change is damage

Too much UV radiation from the sun or sunbeds can damage the genetic material (the DNA) in your skin cells. If enough DNA damage builds up over time, it can cause cells to start growing out of control, which can lead to skin cancer.

What type of compound is a salt

Answers

Answer: Salt is an ionic compound.

Explanation:

A compound formed by transfer of electrons from one atom to another is called an ionic compound.

For example, chemical formula of salt is NaCl (also called table salt).

Salt is formed when sodium (atomic no. 11) donates its one valence electron to chlorine (atomic no. 17). As a result, sodium ion and chlorine ion chemically combine together and form the compound NaCl.

Thus, we can conclude that salt is an ionic compound.

. What is the molarity of a 0.5 liter solution containing 0.7 moles of NaCl?

Answers

Answer:

M = 1.4 M

Explanation:

Hello there!

In this case, according to the given information, it will be possible for us to calculate the required molarity according to its definition:

[tex]M=\frac{n}{V}[/tex]

Whereas the n is mole and has a value of 0.7 mol, V the volume in liters, which is 0.5 L; therefore, the result is:

[tex]M=\frac{0.7mol}{0.5L} \\\\M=1.4 M[/tex]

Regards!

In a nuclear equation:??

Answers

All of the answers are true.

- Standard state refers to

a) 1 atm and 25°C

b) 1 atm and 100°C

c) 1 atm and gaseous reactants

d) None of these

Answers

Answer: The standard state refers to 1 atm and [tex]25^{o}C[/tex].

Explanation:

It is known that a chemical/substance can either be present in a solid, liquid or gaseous state.

So, when the phase of a substance like solid, liquid or gas is present at 1 atmosphere pressure and at a temperature of [tex]25^{o}C[/tex] then it known as standard state of substance.

Thus, we can conclude that standard state refers to 1 atm and [tex]25^{o}C[/tex].

which molecule is butene

Answers

Answer:

Option C is the answer

Butene, also called Butylene, 4 isomeric compound belonging to the series of olefinic hydrocarbons. The chemical formula is C4H8, option c is correct.

What are the 4 isomers of butene?

Butene, also called Butylene, four isomeric Combinations belong to the series of olefinic hydrocarbons. The chemical formula is C4H8.

The isomeric forms are 1-butene, cis-2-butene, trans-2-butene, and isobutylene.

Thus, option "C" is correct. the chemical formula is C4H8.

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Why is one side of the moon called "the dark side of the moon"?
O A. The moon's rotation and revolution take the same time.
B. The moon's rotation time is exactly twice the time of its revolution.
Ο Ο
C. The moon's rotation time is exactly half the time of its revolution.

Answers

The 'dark side' of the Moon refers to the hemisphere of the Moon that is facing away from the Earth. ... It is only 'dark' to us, as that hemisphere can never be viewed from Earth due to a phenomenon known as 'Tidal Locking'

Colligative properties of solutions include all of the following except: a. an increase in the osmotic pressure of a solution upon the addition of more solute b. elevation of the boiling point of a solution upon addition of a solute to a solvent c. an increase of reaction rate with increase in temperature d. depression of the freezing pont of a solution upon addition of a solute to a solvent e. depression of vapor pressure upon addition of a solute to a solvent

Answers

Answer:

Option C, an increase of reaction rate with increase in temperature

Explanation:

Colligative properties are as follows

a) Decrease of  vapor pressure

b) Increase of boiling point

c) Reduction of freezing point

d) Increase of osmotic pressure

There is no impact on reaction rate and hence it is not a colligative property.

Thus, option c is the right choice

An increase of reaction rate with increase in temperature isn't an example

of colligative properties of solutions

Colligative properties of solutions depend on the ratio of the number of

solutes to that of the solvent(concentration) and not on the nature of the

substances involved.

Examples of colligative properties include vapor pressure lowering, boiling

point elevation, freezing point depression, and osmotic pressure. Increase of

reaction rate with increase in temperature is therefore not an example of

colligative properties of solutions.

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IT due tomorrow Giving Brianliest!!!!!
This is not a eassy!!!!!

Answers

I’m sorry but I cannot see the picture

If a 50.0 g piece of glass is heated from 20.0°C to 40.0°C, how many joules of heat are added? The specific heat of glass is 0.50 J/g°C.

Answers

Answer:

500J (joules)

Explanation:

since heat is is the product of mass, change in temperature, and specific heat, the solution can be found from the equation q = mcΔt, heat is 50 * .5 * 20 = 500J

1. What is the kinetic energy of a cow that has a mass of 1500 kg and is moving at 4
meters per second?

Answers

Answer:

12000j

mass=1500kg

velocity=4m/s

Kinetic Energy (K E) = 1/2 mv^2

=1/2*1500(4^2)

=1*750*16

=12000j

Use the nutrition label to answer the following questions.
16.How much energy is contained in
the six-cookie serving size
recommended on the label?

17.How much energy in joules is provided by eating
six cookies? (1 cal = 4.184 J; ALSO: 1 Calorie = 1
kilocalorie)

Answers

Answer:

six cookies?(1 cal _4.184 j; ALSO: 1 Calorie -1 kilocalorie)

explain the process of finishing​

Answers

Answer:

[Your answer would be in this document of mine below] Thanks :D

Explanation:

Ants live in the hollow thorns of an acacia tree. The tree provides food and shelter for the ants. The ants protect the tree from herbivores that might otherwise eat the tree.

Which type of relationship does this represent?
A. mutualism
B. parasitism
C. commensalism
D. predator/prey

Answers

A. Mutualism


Mutualism: Both organism benefit

Commensalism: One organism benefits. One organism is unaffected

Parasitism: One organism benefits. One organism is harmed
answer:
A. mutualism

explanation:
mutualism is the mutual dependence that is necessary for well being. the runner up answer would be commensalism. commensalism is the association between two organisms in which one benefits and the other derives neither benefit nor harm. which is not true because both benefit.

convert 113 Fahrenheit to celcius do full process​

Answers

[tex]\huge{\textbf{\textsf{{\color{pink}{An}}{\red{sw}}{\orange{er}} {\color{yellow}{:}}}}}[/tex]

45° Celsius

Formula (113°F − 32) × 5/9 = 45°C

ThanksHope it helps

Can someone please help me

Answers

Plants!

No doubt the answer is plants they are one maintaining the temperature, responsible for rains too...

How many liters of phosphine are produced when 34 L of hydrogen reacts with an excess of phosphorus under STP?

Answers

Answer:

22.67 L of PH₃

Explanation:

The balanced equation is:

[tex]P_4 (s) + 6H_2(g) \to 4PH_3(g)[/tex]

From the equation:

[tex]34 L \times \dfrac{1 \ mol \ of H_2 }{22.4 \ L \ H_2} \times \dfrac{4 \ mol \ of \ PH_3}{6 \ mol \ H_2} \times \dfrac{22.4 \ L \ PH_3}{1 \ mol \ PH_3}[/tex]

= 22.67 L of PH₃

Bolt can run at a top speed of 28 mph.​

Answers

Actually in more accuracy, he can run in 27.33 mph. Same thing though
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