In the western U.S., ranchers aggressively killed wolves because they posed a threat to their cattle. As the wolf population declined, the deer population began increasing. As a result, the surrounding forest ecosystems experienced increasing damage. The large number of deer ravaged vegetation and destroyed young trees. The entire ecosystem became degraded until wolves became protected when they were determined to be an endangered species. Based on this information, what can you infer about the role of the wolves in this ecosystem? Please make it 3-5 sentences. Thank you so much

Answers

Answer 1

Answer:

Explanation:

You can make a couple of statements.

The wolves are preditors. They eat meat.The wolves hunt only 1 kind of food. They are not interested in young trees or grass (well not much anyway). If one species is allowed to get out of control, the entire ecosystem suffers because of it.This last statement only becomes true if man allows the hunted species that controlled the deer to regain good numbers. Man can be a blockhead sometimes; he learns slowly at times.
Answer 2

Answer:

The wolves role in the ecosystem is to hunt/eat deer. In the question it states, "...ranchers aggressively killed wolves because they posed a threat to their cattle. As the wolf population declined, the deer population began increasing." It's clearly cause and affect, the wolves use to eat a lot of deer, then a large percentage of wolves died by the ranchers. The wolves role in the ecosystem is to hunt deer and help balance out animal to vegetation ratio.

Explanation:

Because i'm awesome lol

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Related Questions

Combine terms: 12a + 26b -4b – 16a.​

Answers

Answer:

= -4a+22b

Explanation:

i hope this helps :)

Answer:

12a-16a =-4a

26b -4b =22b

the final answer is-4a +22b

Liquid water - heat =
Pls help now!!!

Answers

Answer:

cold or ice?

Explanation:

have a good day.

What volume will 1.27 moles of helium gas occupy at 80.00 °C and 1.00 atm?
Pls and thank you :) !

Answers

Answer:

36.8 L

Explanation:

We'll begin by converting 80 °C to Kelvin temperature. This can be obtained as follow:

T(K) = T(°C) + 273

T(°C) = 80 °C

T(K) = 80 + 273

T(K) = 353 K

Finally, we shall determine the volume occupied by the helium gas. This can be obtained as follow:

Number of mole (n) = 1.27 moles

Temperature (T) = 353 K

Pressure (P) = 1 atm

Gas constant (R) = 0.0821 atm.L/Kmol

Volume (V) =?

PV = nRT

1 × V = 1.27 × 0.0821 × 353

V = 36.8 L

Thus, the volume occupied by the helium gas is 36.8 L

What would happen to the moon’s interia were to increase? A the moon will fly into space. B the moon will smash into Earth. C the moon will smash into pluto.

Answers

Answer:

B

Explanation:

The nature particle model of matter describe the property of solid, liquid and gas in molecular level. Which of the given statements below is TRUE?
A. Matter is made up of large particles.
B. Particles of matter have spaces between them.
C. Particles of matter are not moving all the time.
D. The particles of matter do not attract each other.​

Answers

Answer:

B. Particles of matter have spaces between them.

Explanation:

The particle nature model of matter is an model used to explain the properties and nature of matter. The statements of the particle nature model of matter are as follows :

1. Matter is made of small particles of atoms or molecules.

2. The particles of matter have space between them. The spaces between the particles are least in solids as they are closely packed together but are greatest in gases whose particles are far apart from each other.

3. The particles of matter are in constant motion at all times. Solids particles are not free to move due to strong molecular forces between the particles, but are constantly vibrating in their mean positions. Liquid particles free to move due to lesser molecular forces while gas molecules which have negligible intermolecular forces have the greatest ability to move.

4. The particles of matter are attracted to each other by intermolecular forces. These forces are greatest in solids and least in gases.

The correct option is B.

How much heat is released if you produced 1.24 mol of Oz?

Answers

here watch this two min you-tube video i found that will solve your exact question i will link it in the comments

Consider a buffer made by adding 132.8 g of NaC₇H₅O₂ to 300.0 mL of 1.17 M HC₇H₅O₂ (Ka = 6.3 x 10⁻⁵) What is the pH of this buffer?

Answers

Answer:

pH = 1.62

Explanation:

We can solve this problem using Henderson-Hasselbach's equation:

pH = pKa + log[tex]\frac{[A^-]}{[HA]}[/tex]

Where

pKa = -log(Ka) = 4.20[A⁻] = [NaC₇H₅O₂][HA] = [HC₇H₅O₂]

Now we convert 132.8 g of NaC₇H₅O₂ into moles, using its molar mass:

132.8 ÷ 144.11 g/mol = 0.921 moles

Then we calculate [NaC₇H₅O₂]:

0.921 moles / 300.0 mL = 0.003 M

Now we can proceed to calculate the pH of the solution:

pH = 4.20 + log[tex]\frac{0.003}{1.17}[/tex]pH = 1.62

If four hydrogen atoms react with two hydrogen atoms, how many atoms
will be in the product?

Answers

Answer:6

Explanation:

The number of atoms in the product will be equal to six.

What is the balanced chemical equation?

A chemical equation represents a chemical reaction in terms of the chemical symbols of the substances. A chemical equation of a reaction posses of participated reactants, formed products, and an arrow to indicate the direction of the chemical reaction.

The chemical equation of a reaction in which the number of atoms of each element is equal on either side of the equation is known as a balanced chemical equation.

The law of conservation of mass is always followed by a balancing of a chemical equation. By following this law, the total mass of all the elements on the reactant side will be equal to the total mass of all elements on the product side in a balanced chemical equation.

Therefore, the number of hydrogen atoms on the reactant side is equal to 6 (4+2) and the same number of atoms will be on the product side.

Learn more about the balanced chemical equation, here:

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Part A
How many moles of chlorine gas are needed to make 0.6 moles of sodium chloride?
Given the reaction: 2Na + Cl2 + 2NaCl
O 1.2
O 0.6
0 3.6
O 0.3
not enough information
Submit
Request Answer

Answers

Answer:

[tex]n_{Cl_2}=0.3molCl_2[/tex]

Explanation:

Hello there!

In this case, according to the given chemical reaction whereas the sodium chloride is in a 2:1 mole ratio with chlorine, the required moles of the later are computed as shown below:

[tex]n_{Cl_2}=0.6molNaCl*\frac{1molCl_2}{2molNaCl}[/tex]

So we cancel out the moles of NaCl to obtain:

[tex]n_{Cl_2}=0.3molCl_2[/tex]

Best regards!

If 2.00 moles of H2 and 1.55 moles of Oz react how many moles of H20
can be produced in the reaction below?
2 H2(g) + O2(g) → 2 H2O(g)

Answers

Pretty sure it’s. 6H2O(g)
Yes

A ________________________ can be at the top of a food chain.

Answers

Answer:

ap.ex predat0rs

Explanation:

14.3 moles of methane (CH4) burns completely, find the grams of H20 would be produced CH4 + 202 CO2 + 2H20 w​

Answers

Answer:

514.8 grams of H₂O would be produced.

Explanation:

The balanced reaction is:

CH₄ + 2 O₂ → CO₂ + 2 H₂O

By stoichiometry of the reaction (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles participate in the reaction:

CH₄:  1 mole O₂: 2 molesCO₂: 1 mole H₂O: 2 moles

Being the molar mass of each compound:

CH₄:  16 g/moleO₂: 32 g/moleCO₂: 44 g/mole H₂O: 18 g/mole

By stoichiometry, the following amounts of mass participate in the reaction:

CH₄:  1 mole* 16 g/mole= 16 gramsO₂: 2 moles* 32 g/mole=  64 gramsCO₂: 1 mole* 44 g/mole= 44 gramsH₂O: 2 moles* 18 g/mole= 36 grams

You can apply the following rule of three: if 1 mole of methane produces 36 grams of water, 14.3 moles of methane produces how much mass of water?

[tex]mass of water=\frac{14.3 moles of methane*36 grams of water}{1 mole of methane}[/tex]

mass of water= 514.8 grams

514.8 grams of H₂O would be produced.

Determine the mass and weight of the air in your living room at 20°C ; the room has the following dimensions ;4m ×5m floor and ceiling is at 3m height. Take the density of the air as ​

Answers

Answer:

Volume of air is [tex]60[/tex] cubic meter

Mass of air is [tex]72.246[/tex] Kilogram

Explanation:

As air occupies the volume of the container in which it is kept. The volume of air here in this case will be equal to the volume of the room.

Volume of the room = length * breadth * height

Volume of the room = [tex]4*5*3 = 60[/tex] cubic meter.

Volume of air is also [tex]60[/tex] cubic meter.

Density of air at 20 degrees C [tex]= 1.2041[/tex] kg/cu.m

Mass of air

Volume * density

[tex]60 * 1.2041 = 72.246[/tex] kilogram

Volume of air is [tex]60[/tex] cubic meter

Mass of air is [tex]72.246[/tex] Kilogram

What is the correct coefficient for Fe2O3 in the balanced version of the following equation?

Fe2O3 + 3H2 → 2Fe + 3H2O

__Fe2O3+3H2→2Fe+3H2O

Answers

Answer:

The coefficient of Fe₂O₃ is 1

Explanation:

__Fe₂O₃ + 3H₂ —> 2Fe + 3H₂O

To know the correct coefficient of Fe₂O₃, we shall balanced the equation. This can be obtained as follow:

Fe₂O₃ + H₂ —> Fe + H₂O

There are 2 atoms of Fe on the left side and 1 atom on right side. It can be balance by writing 2 before Fe as shown below:

Fe₂O₃ + H₂ —> 2Fe + H₂O

There are 3 atoms of O on the left side and 1 atom on the right side. It can be balance by writing 3 before H₂O as shown below:

Fe₂O₃ + H₂ —> 2Fe + 3H₂O

There are 2 atoms of H on the left side and 6 atoms on the right side. It can be balance by writing 3 before H₂ as shown below:

Fe₂O₃ + 3H₂ —> 2Fe + 3H₂O

Now, the equation is balanced.

Thus, the coefficient of Fe₂O₃ is 1

The reactants of two chemical equations are listed. Equation 1: PbNO3 + Mg Equation 2: PbNO3 + KI Based on the type of reaction, which reaction can be used to extract lead metal from lead nitrate solution? (5 points)

Group of answer choices

Equation 2, because K being more reactive, exchanges position with Pb in PbNO3

Equation 2, because K being more reactive, exchanges position with N in PbNO3

Equation 1, because Mg being more reactive, replaces N from PbNO3

Equation 1, because Mg being more reactive, replaces Pb from PbNO3

Answers

Answer:

Equation 2, because K being more reactive, exchanges position with Pb in PbNO3.

Explanation:

Hello there!

In this case, according to the given reactions, it is possible to realize that according to the reactivity series, since K is is group 1A of alkali metals, we infer it is by far more reactive than magnesium, for that reason last two choices can be easily discarded. Now, considering equation 2, it would be necessary to complete it to figure out the correct option:

[tex]Pb(NO_3)_2 + KI \rightarrow PbI_2+KNO_3[/tex]

Whereas it can be seen that potassium exchanges position with Pb according to the double displacement reaction; therefore, the correct answer is "Equation 2, because K being more reactive, exchanges position with Pb in PbNO3".

Best regards!

How many moles of solute are in a .5 liter solution of carbonated water, if the concentration is 3.0 M?

Answers

Answer:

[tex]1 \: litre \: solution \: contains \: 3 \: moles \\ 5 \: litres \: will \: contain \: \frac{(5 \times 3)}{1} \: moles \\ = 15 \: moles \: of \: solute[/tex]

6.3x10-5M. What is the pH?

Answers

Answer:

https://sensorex.com/ph-calculator/

Explanation:

go to this link and then scroll down a little bit and then you'll find the answer


Humans are always consumers. Most humans are omnivores, but some
humans eat only plant matter making them herbivores. However, all
humans are considered to be -
Select one:
autotrophs
heterotrophs
producers
carnivores

Answers

Answer:

A. Autotrophs

Explanation:

an autotroph, def an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.

humans and other mammals, plants, and a select few other things

Considering the limiting reactant concept, how many moles of copper(1) sulfide are produced from the reaction of 20 mole of
copper and 2.4 mole of sulfur?
2 Cu(s) + s(s) Cu2S(s)
(No links or bad answer real d

Answers

What is stoichiometry?
When the space shuttle took off it used two different rocket systems. The main engines were powered by combining oxygen and hydrogen in the highly exothermic reaction

2H2 + O2 ⇌ 2H2O

The fuel was stored in that brown tank in liquid form as liquid oxygen (LOX) and liquid hydrogen (LH2). Liquids are much more dense than gases, so storage in the liquid phase allows the shuttle to carry an immense amount of fuel.

Unfortunately, that fuel made up the majority of the weight of the shuttle at liftoff. So most of what the shuttle engines lifted from the ground was fuel. That means it was very important not to have too much of one or the other reactant on board. We'd want just enough hydrogen to react with the amount of oxygen on board, and vice versa. That's where stoichiometry and moles are essential. Sana makatulong po sa inyo

When you are riding a bicycle at night, your bicycle's reflectors help people in cars see your bicycle how do bicycle reflectors work

A. They are made of a special material that gives off its own light
B. They are hooked up to batteries that allow them to produce light
C. They bounce light back from other sources
D. They are coverd with paint that glows in the dark

Answers

Answer: C
Explanation: the material of the bicycle reflectors cannot produce its own light. When light hits the material, it bounces back off of it creating the illusion of a light.

explain the significance​

Answers

Answer:

Dictionary

Definitions from Oxford Languages

Search for a word

significance

/sɪɡˈnɪfɪk(ə)ns/

Learn to pronounce

noun

1.

the quality of being worthy of attention; importance.

"adolescent education was felt to be a social issue of some significance"

Similar:

importance

import

noteworthiness

consequence

substance

seriousness

gravity

weight

weightiness

magnitude

moment

momentousness

memorableness

unforgettableness

pronounced nature

remarkableness

outstanding nature

markedness

obviousness

conspicuousness

strikingness

distinction

impressiveness

uncommonness

unusualness

rarity

extraordinariness

exceptionalness

specialness

cruciality

Opposite:

insignificance

2.

the meaning to be found in words or events.

"the significance of what was happening was clearer to me than to her"

Similar:

meaning

sense

signification

import

thrust

drift

gist

burden

theme

implication

tenor

message

essence

substance

relevance

9. The broken appearance of pencil in a glass of water is due
to the refraction of light in water,
yes or no​

Answers

Yes it is due to refraction of light in water

A sample of 0.0255 mol potassium hydroxide, KOH, was dissolved in water to yield
10.0 mL of solution. What is the molarity of the solution?

Answers

the answer i got was 2.55 M KOH

According to molar concentration, the molarity of the solution is 2.55 M.

What is molar concentration?

Molar concentration is defined as a measure by which concentration of chemical substances present in a solution are determined. It is defined in particular reference to solute concentration in a solution . Most commonly used unit for molar concentration is moles/liter.

The molar concentration depends on change in volume of the solution which is mainly due to thermal expansion. Molar concentration is calculated by the formula, molar concentration=mass/ molar mass ×1/volume of solution in liters.

In terms of moles, it's formula is given as molar concentration= number of moles /volume of solution in liters.

Substituting values in the given second formula, molarity=0.0255/0.010=2.55 M.

Thus, the molar concentration of the solution is 2.55 M.

Learn more about molar concentration,here:

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10. Which of the following group of colors of the visible light is listed from
lowest to highest frequency?
A. Blue, green, red
C. Red, violet, green
B. Green, blue, red
D. Red, green, violet​

Answers

Answer:

The correct answer is - D. Red, green, violet​.

Explanation:

Visible light is the spectrum of light that can be seen by the naked eyes of humans without any equipment. This spectrum has various frequency light that helps us see things in color. The frequency of light ranges between seven different colors in which violet has the highest frequency and red has the lowest.

The different frequencies are as follows:

color               frequency

red (limit) 1.77

red                  1.91

orange  2.06

yellow  2.14

green  2.25

cyan  2.48

blue          2.75

violet (limit) 3.10

On this basis of this the group of colors of the visible light is listed from

lowest to the highest frequency - Red, green, violet​

Students can demonstrate reflection by doing which of the following?
A Warming metal under a heat lamp.
B. Observing their own image in still water.
C. Enlarging an image using a hand lens.
0
D. Measuring a shadow made by the Sun.

Answers

Answer:

a

Explanation:

I think it’s b because your image in water is a reflection of yourself

Jupiter's mass is more than _________ the mass of the other planets put together.

Answers

Answer:

2.5 times

Explanation:

Jupiter's mass is 2.5 times that of all the other planets in the Solar System combined—this is so massive that its barycenter with the Sun lies beyond the Sun's surface at 1.068 solar radii from the Sun's center.

2.5 times

Explanation: I’ve gotten asked this question in class before

In the endothermic reaction below, how would adding heat affect the equilibrium of the system? (2 points)
A + B + energy ⇄ + D

a. shift it to the left toward the reactants
b. shift it to the right toward the products
c. equally create more products and reactants
d. it would have no effect

Answers

the answer will be B

How many grams of CuSO4 are required to make a 5.0 ml solution that has a concentration of 400 mg/ml?

Answers

Answer:  molecular weight of CUSO4 or grams. The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles CUSO4, or 346.10221 grams. Note that rounding errors may occur, so always check the results.

Explanation:

1. What volume of gas (NU) is formed by the interaction of 13 g of zinc with 400 g of sulfuric acid solution with a mass fraction of 10%?

Answers

Answer:

4.5L of gas are produced

Explanation:

Based on the reaction:

Zn + H2SO4 → ZnSO4 + H2(g)

Where 1 mole of Zn reacts with 1 mole of sulfuric acid to produce 1 mole of H2, the gas

To solve this question we must find the moles of each reactant in order to find limiting reactant and, thus, the moles of H2 produced. Then using PV=nRT we can find the volume of the gas:

Moles Zn -Molar mass: 65.38g/mol-

13g * (1mol / 65.38g) = 0.20 moles Zn

Moles H2SO4 -Molar mass: 98g/mol-

400g * 10% = 40g H2SO4 * (1mol / 98g) = 0.41 moles H2SO4

As the ratio of the reaction is 1:1, the limiting reactant is Zn and the moles produced of H2 are 0.20 moles

Using PV = nRT; V = nRT/ P

Where V is the volume of the gas

n are the moles = 0.20 moles

R is gas constant = 0.082atmL/molK

T is absolute temperature = 273.15K at STP

P is pressure = 1atm at STP

V = 0.20mol*0.082atmL/molK*273.15K / 1atm

V = 4.5L of gas are produced

Which compound will be the most soluble in water?


a) CH3CH2CH2CH2CH3
b) CH3CH2CH2CH2OH
c) HOCH2CH2CH2OH
d) CH3CH2CH2OCH3

Answers

Answer:

c) HOCH2CH2CH2OH

Explanation:

Hope this helps

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