Which of the following is likely to be affected by a growing human population?

Question 5 options:

Amount of land for farming


Amount of air pollution


Amount of clean water


All of the above


None of the above

Answers

Answer 1

Answer:

D.) All of the above

is the correct answer

Answer 2

By a growing human population, amount of land for farming, amount of air pollution and clean water is likely to be affected.

What is population?

Population tells about the relative numbers of people present in particular area.

When there is a increase in the population of people then there is decrease in the amount of land for farming because more people want more land and this results in lack of land for individual. The affect of increased population results in the increase of air pollution, noise pollution, land pollution as well as water pollution.

Hence, option (d) is correct i.e. all of the above.

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Related Questions

Nate measured an iron bar. He put the iron bar in the hot sun. When he measured the bar after it had been in the sun, it was slightly longer. Which sentence best describes what happened to the iron atoms after the bar was left in the hot sun?
Consider what happens to an iron bar when left out and exposed to sunlight and why it happens.
Evaluate the statements and select the one that best represents what happens.
Provide your reasoning in the text box provided.

The number of atoms increased.
The size of the atoms increased.
The space between each atom increased.
The air in the spaces between the iron atoms expanded.

Answers

Answer:

need dim points back ma boi

Explanation:

What is a peer review? *
A. A summary of results from several different experiments
B. A presentation of scientific ideas
C. group of scientists that analyze scientific experiments
D. The errors in an experiment

Answers

Answer: Hewo, there! your Answer is Below

C. group of scientists that analyze scientific experiments

Explanation:

the process of someone reading, checking, and giving his or her opinion about something that has been written by another scientist or expert working in the same subject area, or a piece of work in which this is done: All these papers have been published after being subjected to peer review.

Hope this Helps you !!!

Have a great day!!!

I think the answer is B

What is the pH of a 0.30 M solution of Ca(OH)2?

Answers

Explanation:

30 to the second power

A thermite reaction realeses large amounts of heat and light resulting in the melting of the iron metal

Answers

Answer:

1. Fe₂O₃ : Al = 1 : 2

2. Fe₂O₃ : Al₂O₃ = 1 : 1

3. Fe₂O₃ : Fe = 1 : 2

Note: The question is incomplete. The complete question is given below :

A thermite reaction releases large amounts of heat and light, resulting in the melting of the iron metal that forms during the reaction. The balanced chemical equation is given below: Fe₂O₃(s) + 2Al(s) ---> Al₂O₃(s) + 2Fe(l) Determine the correct mole ratios for the following substances, based on this chemical equation.

Explanation:

A thermite reaction is a highly exothermic reaction that occurs between a mixture of powdered aluminium and iron (iii) oxide.

The reaction is a redox reaction which produces aluminium oxide and metallic iron.

The heat given out in the reaction melts the iron formed. It is used to join railway tracks or cracked machine parts. The molten iron runs down between the tracks and welds them together.

The balanced equation of the reaction is given below :

Fe₂O₃(s) + 2Al(s) ---> Al₂O₃(s) + 2Fe(l) + Heat

The mole ratio of the reactant and products are as follows:

1. 1 mole of Iron (iii) oxide and 2 moles of aluminium are combined

Fe₂O₃ : Al = 1 : 2

2. 1 mole of aluminium oxide is produced from 1 mole of iron (iii) oxide

Fe₂O₃ : Al₂O₃ = 1 : 1

3. 2 moles of of iron are produced from 1 mole of iron (iii) oxide

Fe₂O₃ : Fe = 1 : 2

What happens to food we eat?

Answers

Answer:

It goes through our digestive system then though our bladder.

Answer: When we eat the food gets digested.

Explanation: Once filled with food, the stomach grinds and churns the food to break it down into small particles. It then pushes the small particles of food into the first part of the small intestine, called the duodenum. The small intestine is where most of the digestion and absorption of our food takes place.

PLEASE HELP SOMEONE PLEASEEEE

Answers

Answer:

the answer is b

hope this helps you!!

Have a lovely day!

-millie :D

A flash contains 85.6g of C7H5NO3S (Saccharine) in 2.00 litre of a solution. What is the molarity?

Answers

Answer:

0.234 M

Explanation:

C- 12.009 x 7

H- 1.001 x 5

N- 14.006

O- 16 x 3

S- 32.059

___________+

183.133 g/mol

[tex]\frac{1mol}{183.133g} *\frac{85.6g}{2.00L}[/tex]  = 0.234 M Cancel out the grams mol/L equals molarity. Lowest significant figure is 3

A teacher reacts 84.0 g of sodium bicarbonate with excess hydrochloric acid. What is the percent yield for sodium chloride if 56.0 g of sodium chloride is produced?
4.20%
8.01%
92.0%
95.8%​

Answers

95.8% is the percent yield for sodium chloride if 56.0 g of sodium chloride is produced in the reaction.

How we calculate the percentage yield?

Percentage yield of any chemical reaction can be calculated as:

% yield = (Experimental yield/Theoretical yield) × 100

Given chemical reaction is:

NaHCO₃ + HCl → NaCl + CO₂ + H₂O

In the question it is given that 56 grams of NaCl is produced by mass. But according to the stoichiometry of the reaction 1 mole of NaCl will be produced whose mass should be 58.44 grams. So, % yield will be:

% yield = (56/58.44) × 100 = 95.8%

Hence, option (d) is correct it means 95.8% is the percent yield.

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2-ciclopropilpropano​

Answers

Answer:

cool

Explanation:

What is the empirical formula for a compound that has 1.5 moles of copper and 0.5 moles of phosphorus?

Answers

Answer:

[tex]Cu_{3}P[/tex]

Explanation:

usually, the first step is to calculate the moles but since that is already given in the question we can move onto the next step

least molar ratio:

Cu =  [tex]\frac{1.5}{0.5}[/tex] = 3

P = [tex]\frac{0.5}{0.5}[/tex] = 1

thus, empirical formula = [tex]Cu_{3}P[/tex]

The empirical formula for a compound that has 1.5 moles of copper and 0.5 moles of phosphorus is Cu₃P.

What is the empirical formula?

Empirical formula of any compound gives idea about the number of constituents particles present in that compound by mentioning the ration.

In the question, given that:

Moles of copper = 1.5 moles

Moles of phophorous = 0.5 moles

Now we divide the given moles by the smallest number to get the ration number as follow:
Cu  :  P

1.5/0.5  :  0.5/0.5

3  :  1

Hence, required empirical formula is Cu₃P.

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How many grams of solid iron will be produced from 32.1 grams of iron (III) oxide? Hint: Balance the equation first

Answers

Answer:

22.45g of Fe will be produced

Explanation:

The balanced reaction is:

Fe₂O₃(s) + 3CO(g) → 2Fe(s) + 3CO₂(g)

Where 1 mole of Iron (III) oxide reacts with 2 moles of Iron

To solve this question we have to find the moles of iron (III) oxide. With these moles and the balanced reaction we can find the moles of iron produced and its mass:

Moles iron (III) oxide -Molar mass: 159.69g/mol-

32.1g Fe₂O₃ * (1mol / 159.69g) = 0.201 moles Fe₂O₃

Moles Iron:

0.201 moles Fe₂O₃ * (2mol Fe / 1mol Fe₂O₃) = 0.402 moles of Fe

Mass Fe -Molar mass: 55.845g/mol-

0.402 moles of Fe * (55.845g/mol) =

22.45g of Fe will be produced

When a substance was dissolved in water, the temperature of the water increased. This process is described as
A.
endothermic with the release of energy
B.
endothermic with the absorption of energy
C.
exothermic with the release of energy
D
exothermic with the absorption of energy

Answers

The correct answer will be A

Answer: a,

endothermic with the release of energy

what gives bases their properties?

Answers

Bases are iconic compounds that produce negative hydroxide ions (OH-) when dissolved in water. Bases taste bitter, feel slippery, and conduct electricity when dissolved in water.... Bases turn red litmus paper blue. The strength of bases is measured on the pH scale.

an archer releases an arrow toward a Target the arrow travels 166 m in 2 seconds what is the speed of the arrow​

Answers

the speed of arrow is 83m/per second

that means

83metres = 1 second

The arrow would cover the distance of 83 metres in 1 second

may this helps you

bye

What makes an atom stable?
a. Having the nucleus in the center
b. Being very small
c. Being neutral
d. Having the right number of protons and neutrons

Answers

D

Explanation:
An atom is stable if the forces among the particles that makeup the nucleus are balanced. An atom is unstable (radioactive) if these forces are unbalanced; if the nucleus has an excess of internal energy. Instability of an atom's nucleus may result from an excess of either neutrons or protons.

i need help in this can someone help

Answers

Answer:

the limiting reagent is butane

Explanation:

5C₄H₁₀ + 25O₂ → 20CO₂ + 5H₂0

When glucose is fermented, ethanol is formed together with ………………….

Answers

Answer:

carbon dioxide and oxygen

Which organisms are consumers?

Select all correct answers.

mushrooms
monkey
grasshopper
bacteria
snake

Answers

Answer: snake grass hopper and monkey

Explanation: i took the test and this is what i got

Answer:

snake grasshopper and monkey

Explanation:

You heat 100 mL of water and 1000 mL of water using 40,000 joules of energy. What would be the outcome of this experiment? *
A. The 100 mL of water would be a higher temperature than the 1,000 mL of water.
B. The 100 mL of water would be a lower temperature than the 1,000 mL of water.
C. They would both be the same temperature.
D. There is not enough information

Answers

Answer:

A. The 100 mL of water would be a higher temperature than the 1,000 mL of water.

Explanation:

Since the volume of water affects temperature, when the volume increases this results in a lower temperature. This means that the water with the smaller volume will have a higher temperature.

what is molarity ? also write its formula ?​

Answers

Answer:

Definition:

Molarity of a given solution is defined as the total number of moles of solute per litre of solution. The molality of a solution is dependent on the changes in physical properties of the system such as pressure and temperature as unlike mass, the volume of the system changes with the change in physical conditions of the system. Molarity is represented by M, which is termed as molar. One molar is the molarity of a solution where one gram of solute is dissolved in a litre of solution. As we know, in a solution, the solvent and solute blend to form a solution, hence, the total volume of the solution is taken.

Formula :

[tex]m \: = \frac{n}{v} [/tex]

Where,

m = molar concentration

n = moles of solute

v = litres of solution.

How can sound waves be used to put out fire

Answers

The acoustic extinguisher works by using sound waves—a type of pressure wave—to push oxygen away from the source of a flame and spread it over a larger surface area. These actions break the fire combustion triangle made up of heat, fuel, and oxygen, the three elements required for a fire to burn.

Define the term metal ore

Answers

Answer:

Ore is a deposit in Earth's crust of one or more valuable minerals. The most valuable ore deposits contain metals crucial to industry and trade, like copper, gold, and iron

The naturally occurring material from which a mineral or minerals of economic value can be extracted.

Methane undergoes combustion. Which products form?


 
CO2, H2O, and O2

 
C and H2O

 
CO2 and H2O

 
CO2 and H​

Answers

When methane undergoes combustion the carbon dioxide (CO₂) and water (H₂O) is formed. Therefore, option C is correct.

What do you mean by combustion ?

A chemical reaction between two or more substances, usually involving oxygen, that produces heat and light in the form of a flame is called as combustion. The reaction is as follows:

CH4(g) + 2O₂(g) → CO₂(g) + 2H₂O

Methane burns in the presence of enough oxygen to produce carbon dioxide (CO₂) and water (H₂O). When it is burned, it produces a large amount of heat, making it an excellent fuel source.

Thus, option C is correct.

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A car with a mass of 3,500lbs accelerates negatively from 35m/s to 8m/s in 8s. What is the
car's negative acceleration?

Answers

Answer:

[tex]a=-3.37\ m/s^2[/tex]

Explanation:

Given that,

A car accelerates negatively from 35m/s to 8m/s in 8s.

We need to find the car's acceleration.

Initial speed, u = 35 m/s

Final speed, v = 8 m/s

Time, t = 8 s

The acceleration of an object is equal to the rate of change of velocity. So,

[tex]a=\dfrac{v-u}{t}[/tex]

Put all the values,

[tex]a=\dfrac{8-35}{8}\\\\a=-3.37\ m/s^2[/tex]

So, the acceleration of the car is equal to [tex]-3.37\ m/s^2[/tex].

which of the following is an example of a synthesis reaction

Answers

Answer: S+O2> SO2

Explanation:

The characteristics of two unknown intermolecular forces, X and Y, are compared in the table.
Intermolecular Forces
х
Y
Occurs between molecules with instantaneous dipoles Occurs between molecules with permanent dipoles and ions
Which of the following conclusions about the two intermolecular forces is correct?
X represents London dispersion forces, and Y represents ion-dipole forces.
X represents dipole-dipole forces, and Y represents ion-dipole forces.
X represents hydrogen bonding, and Y represents dipole-dipole forces.
X represents London dispersion forces, and Y represents dipole-dipole forces.

Answers

Answer:

X represents London dispersion forces, and Y represents ion-dipole forces.

Explanation:

London forces occurs between molecules that are normally non-polar (electrically symmetric). It arises from instantaneous dipoles in molecules. It occurs in all substances.

Permanent dipoles are caused by non-symmetric electron distribution in molecules leading to a permanent dipole in the molecule such as in HCl. Interaction between the permanent dipole in these molecules and an ion is called ion-dipole interaction.

Hence; X represents London dispersion forces, and Y represents ion-dipole forces.

X represents London dispersion forces, and Y represents ion-dipole forces.

London forces:

London forces occurs between molecules that are normally non-polar (electrically symmetric). It arises from instantaneous dipoles in molecules. It occurs in all substances.For example: F₂, I₂

Ion-dipole forces:

Permanent dipoles are caused by non-symmetric electron distribution in molecules leading to a permanent dipole in the molecule such as in HCl. Interaction between the permanent dipole in these molecules and an ion is called ion-dipole interaction.For example: sodium ion [tex](Na^+)[/tex]and water molecule[tex](H_2O)[/tex]

Hence; X represents London dispersion forces,

and Y represents ion-dipole forces.

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A pool float was filled with air to capacity in the middle of a hot day. The next morning the pool float looked different yet no gas escaped or entered the float. Describe what you think the float looked like in the morning and why it occurred.

Answers

Answer:

The pool float looked would have looked deflated the next morning.

Explanation:

When temperature decreases the volume decreases

Answer:

The pool float most likely looked a little deflated or pushed in

Explanation:

The pool float most likely looked a little deflated or pushed in. This is because during the night temperatures most likely dropped. These cold temperatures during the night would have caused the air molecules inside the pool float to come closer together which would cause there to be more excess space inside the pool float. Therefore, allowing it to collapse into itself. This would be far worse if the float was filled with helium or another gas other than O2.

Haley has been having difficulty breathing. She is having difficulty with the gas exchange in the respiratory system. Which organ is being affected?

Answers

Answer:

Lungs.

Explanation:

This is because the lungs are respiratory organs in the body that are located at the either side of the thorax or chest. These are organs that are incharge of exchange of gases. The air is breathe in through the trachea i.e oxygen is inhaled and carbondioxide which is the waste product is exhaled. Gas exchange take place in the lungs.

What will the nervous system feedback do when the human body's temperature drops just below its normal range? Plssss help

Answers

Answer:

Homeostasis

Explanation:

The blood vessels constrict and you start to shiver, that shivering generates heat to warm the body to help to body temperature go back to normal. Homeostasis is the condition of keeping your body at a normal condition.

Define what natural gas is, explain how it forms, and
what it is used for today.

Answers

Answer:

is a naturally occurring hydrocarbon gas mixture consisting primarily of methane, but commonly including varying amounts of other higher alkanes, and sometimes a small percentage of carbon dioxide, nitrogen, hydrogen sulfide, or helium.

It is formed when layers of decomposing plant and animal matter are exposed to intense heat and pressure under the surface of the Earth over millions of years. The energy that the plants originally obtained from the sun is stored in the form of chemical bonds in the gas

for heating, cooking, and electricity generation. It is also used as a fuel for vehicles and as a chemical feedstock in the manufacture of plastics and other commercially important organic chemicals.

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