Is a volcanic eruption an irreversible change?

Is a volcanic eruption an irreversible change?
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Is a volcanic eruption an irreversible change?

Description : Is a volcanic eruption an irreversible change?

Last Answer : Answers is the place to go to get the answers you need and to ask the questions you want

The most significant impact of volcanic eruption has been felt in the form of : (A) change in weather (B) sinking of islands (C) loss of vegetation (D) extinction of animals

Description : The most significant impact of volcanic eruption has been felt in the form of : (A) change in weather (B) sinking of islands (C) loss of vegetation (D) extinction of animals

Last Answer : Answer: A  Eruptions are unstoppable, and a very large one is potentially long lasting (several days of intense explosive output from the volcano). Further, the effects are ... potential feedbacks with global environmental cycles. Some currently unanticipated consequences will surely be found.

What is a volcanic eruption?

Description : What is a volcanic eruption?

Last Answer : A volcanic eruption is the release of molten rock, ash, and gas from a volcano, often leading to the formation of new land and significant environmental impacts.

Which is a typical feature of volcanic eruption? -Do You Know?

Description : Which is a typical feature of volcanic eruption? -Do You Know?

Last Answer : answer:

Events like earthquake, volcanic eruption, tsunamis etc., cannot be prevented but their effects can be reduced. 

Description : Events like earthquake, volcanic eruption, tsunamis etc., cannot be prevented but their effects can be reduced. 

Last Answer : Identify the correct correlation: A - Events like earthquake, volcanic eruption, tsunamis etc., cannot be ... R is not the correct explanation of A.

What determines whether a volcanic eruption with be violent or relatively quiet?

Description : What determines whether a volcanic eruption with be violent or relatively quiet?

Last Answer : Need answer

What is the largest number of causalities for a volcanic eruption and the century the eruption occurred?

Description : What is the largest number of causalities for a volcanic eruption and the century the eruption occurred?

Last Answer : The largest number of deaths in recorded history from a volcaniceruption was Mount Tambora inIndonesia in 1815

How does a volcanic eruption take a place?

Description : How does a volcanic eruption take a place?

Last Answer : a volcano is formed when two tectonic plates push into eachother forcing the ground upwards, then eventually the pressurebuilt up by the friction bursts causing magma which is about 60miles underneath the ground up and out the top of the volcano.

What can occur long after a volcanic eruption?

Description : What can occur long after a volcanic eruption?

Last Answer : a lahar

What conditions make for a week volcanic eruption?

Description : What conditions make for a week volcanic eruption?

Last Answer : The answer is : Magma with low viscosity. It makes for a weak volcanic eruption. If the viscosity is low (thin), non-explosive eruptions usually begin with fire fountains due to release of dissolved gases. When magma reaches the surface of the earth, it is called lava.

Suppose individuals of a species of lizard on an island can be brown, tan, or green. Suppose a volcanic eruption on the island kills all but one male and one female lizard. Both are brown, and all later generations are brown. What is this an example of?

Description : Suppose individuals of a species of lizard on an island can be brown, tan, or green. Suppose a volcanic eruption on the island kills all but one male and one female lizard. Both are brown, and all later generations are brown. What is this an example of?

Last Answer : A Genetic Bottleneck

Can a volcanic eruption cause a tsunami?

Description : Can a volcanic eruption cause a tsunami?

Last Answer : No. However a volcanic eruption can cause a tsunami.

Which of these volcanic eruption types is the least violent?

Description : Which of these volcanic eruption types is the least violent?

Last Answer : Hawaiian

Would you rather survive an avalanche or a volcanic eruption?

Description : Would you rather survive an avalanche or a volcanic eruption?

Last Answer : Volcanic eruption. It must be more painful because you literraly melt.

What are the instruments used to monitor volcanic eruption?

Description : What are the instruments used to monitor volcanic eruption?

Last Answer : The most common would be seismographs and seismometers, which measure any type of movement in the Earth's crust (including volcanic eruptions). Volcanologists also use special instruments to measure ... moves under ground, and a variety of cameras, GPS devices, and satellite imaging devices.

How would you trigger a volcanic eruption?

Description : How would you trigger a volcanic eruption?

Last Answer : 🏋🏋🏋

Tsunamis are cuased by – (1) mixing of cold and warm currents (2) earthquakes (3) changes in sea level (4) volcanic eruption

Description : Tsunamis are cuased by – (1) mixing of cold and warm currents (2) earthquakes (3) changes in sea level (4) volcanic eruption

Last Answer : (2) earthquakes Explanation: Most tsunamis are caused by earthquakes generated in a subduction zone, an area where an oceanic plate is being forced down into the mantle by plate tectonic forces. ... friction prevents a slow and steady rate of subduction and instead the two plates become "stuck".

Rift Valley is formed – (1) between two anticlines (2) between two faults (3) erosion of synclinal basin (4) due to volcanic eruption

Description : Rift Valley is formed – (1) between two anticlines (2) between two faults (3) erosion of synclinal basin (4) due to volcanic eruption

Last Answer : (2) between two faults Explanation: A rift valley is a linear-shaped lowland between several highlands or mountain ranges created by the action of a geologic rift or fault. It is formed by the subsidence of a segment of the Earth's crust between dip-slip, or normal, faults.

Most of the devastating earth-quakes are usually caused by – (1) Eustatic movement (2) Isostatic adjustment (3) Collision of earth plates (4) Volcanic eruption

Description : Most of the devastating earth-quakes are usually caused by – (1) Eustatic movement (2) Isostatic adjustment (3) Collision of earth plates (4) Volcanic eruption

Last Answer : (3) Collision of earth plates Explanation: An earthquake is the result of a sudden release of enemy in the Earth's crust that creates seismic waves. The world's earthquakes are not ... continental plates which can slide over the plastic asthenosphere, which is the uppermost layer of the mantle.

The minimum short-term natural hazard is – (1) blizzard (2) earthquake (3) volcanic eruption (4) bolt of lightning

Description : The minimum short-term natural hazard is – (1) blizzard (2) earthquake (3) volcanic eruption (4) bolt of lightning

Last Answer : (4) bolt of lightning Explanation: Due to gravity, our Earth has an atmosphere. Gravity causes the gases to be held close to the earth instead of escaping into outer space. Besides, gravity makes the atmosphere denser closer to the Earth the upper layers push down against the lower layers

When is a volcanic eruption most likely to be violent?

Description : When is a volcanic eruption most likely to be violent?

Last Answer : When the lava is viscous

Which is a typical feature of volcanic eruption?

Description : Which is a typical feature of volcanic eruption?

Last Answer : Dykes

The sudden release of hot materials (lava, ash, gas etc.) from volcanoes is called (a) Volcanic eruption (b) Ash showers (c) Pyroclastic flows (d) Hot mud flows

Description : The sudden release of hot materials (lava, ash, gas etc.) from volcanoes is called (a) Volcanic eruption (b) Ash showers (c) Pyroclastic flows (d) Hot mud flows

Last Answer : (a) Volcanic eruption

Tsunami is: a) Earthquake on land mass b) Volcanic eruption c) Earthquake in ocean crust d) None of these

Description : Tsunami is: a) Earthquake on land mass b) Volcanic eruption c) Earthquake in ocean crust d) None of these

Last Answer : c) Earthquake in ocean crust

Volcanic eruption are closely associated with a. Mountain building and fracturing b. Deforestation c. Landslides d. Heat budget

Description : Volcanic eruption are closely associated with a. Mountain building and fracturing b. Deforestation c. Landslides d. Heat budget

Last Answer : c. Landslides

Which are the major controlling systems for reduction of volcanic disaster? a. Prediction for early warning of eruption b. Timely evolution and relief work c. Both a and b d. None of the above

Description : Which are the major controlling systems for reduction of volcanic disaster? a. Prediction for early warning of eruption b. Timely evolution and relief work c. Both a and b d. None of the above

Last Answer : c. Both a and b

Which volcanic eruption is responsible for raising temperature of the Northern Hemisphere by 1.2 °c? a. Bhuj b. Etna c. Krakatoa d. Mt. Pinatubo

Description : Which volcanic eruption is responsible for raising temperature of the Northern Hemisphere by 1.2 °c? a. Bhuj b. Etna c. Krakatoa d. Mt. Pinatubo

Last Answer : c. Krakatoa

Which of the following acts as a natural source of air pollution? (A) Forest fire (B) Deforestation (C) Volcanic eruption (D) None of these

Description : Which of the following acts as a natural source of air pollution? (A) Forest fire (B) Deforestation (C) Volcanic eruption (D) None of these

Last Answer : (C) Volcanic eruption

In terms of the mass of material ejected into the atmosphere, what is the name of the largest volcanic eruption of this century, and where was it located?

Description : In terms of the mass of material ejected into the atmosphere, what is the name of the largest volcanic eruption of this century, and where was it located?

Last Answer : ANSWER: MOUNT PINATUBO, PHILIPPINES

As we have seen with Hurricane Andrew, natural forces can cause great loss of human life. Which of the following natural disasters has resulted in the greatest loss of human life in a single occurrence? w) typhoon x) volcanic eruption y) earthquake z) tornado

Description : As we have seen with Hurricane Andrew, natural forces can cause great loss of human life. Which of the following natural disasters has resulted in the greatest loss of human life in a single occurrence? w) typhoon x) volcanic eruption y) earthquake z) tornado

Last Answer : ANSWER: Y -- EARTHQUAKE (ON JANUARY 23, 1556, 830,000 PEOPLE DIED IN SHENSI, CHINW)

Which of these events gives us evidence that the earth is spherical? w) a volcanic eruption x) an earthquake y) an eclipse of the moon z) the earth's rotation

Description : Which of these events gives us evidence that the earth is spherical? w) a volcanic eruption x) an earthquake y) an eclipse of the moon z) the earth's rotation

Last Answer : ANSWER: Y -- AN ECLIPSE OF THE MOON

1. What is Electric field intensity at a point a hollow charged spherical conductor? 2. How many member country were founder of the Southern African Development Community? 3. In which year Swarn Jayanti Gram Swa-Rozgar Yojna came into being? 4. Which is a typical feature of volcanic eruption? 5. The most famous musician at the court of Akbar was Tansen. what was his original name?

Description : 1. What is Electric field intensity at a point a hollow charged spherical conductor? 2. How many member country were founder of the Southern African Development Community? 3. In which year Swarn ... ? 20. What was the earliest public association formed in the history of modern India in 1837?

Last Answer : Answer : 1. Is zero 2. 8 3. April 1999 4. Dykes 5. Ramtanu Pande 6. Inoculation against cholera 7. President 8. Silver Iodide (Agl) 9. Bolivia 10. Third Battle of Panipat 11. ... . Indirectly 17. First decreases then increases 18. Central Statistical Organisation 19. 12 20. The Landholder's Society

Tsunamis are cuased by (1) mixing of cold and warm currents (2) earthquakes (3) changes in sea level (4) volcanic eruption

Description : Tsunamis are cuased by (1) mixing of cold and warm currents (2) earthquakes (3) changes in sea level (4) volcanic eruption

Last Answer : earthquakes

The minimum short-term natural hazard is (1) blizzard (2) earthquake (3) volcanic eruption (4) bolt of lightning

Description : The minimum short-term natural hazard is (1) blizzard (2) earthquake (3) volcanic eruption (4) bolt of lightning

Last Answer : bolt of lightning

Rift Valley is formed (1) between two anticlines (2) between two faults (3) erosion of synclinal basin (4) due to volcanic eruption

Description : Rift Valley is formed (1) between two anticlines (2) between two faults (3) erosion of synclinal basin (4) due to volcanic eruption

Last Answer : between two faults

Consider the following geological phenomena : I. Development of a fault II. Movement along a fault III. Impact produced by a volcanic eruption IV. Folding of rocks Which of the above causes earthquakes ? (1) I, II and III (2) II and IV (3) I, III and IV (4) I to IV

Description : Consider the following geological phenomena : I. Development of a fault II. Movement along a fault III. Impact produced by a volcanic eruption IV. Folding of rocks Which of the above causes earthquakes ? (1) I, II and III (2) II and IV (3) I, III and IV (4) I to IV

Last Answer : I, II and III 

Most of the devastating earthquakes are usually caused by (1) Eustatic movement (2) Isostatic adjustment (3) Collision of earth plates (4) Volcanic eruption

Description : Most of the devastating earthquakes are usually caused by (1) Eustatic movement (2) Isostatic adjustment (3) Collision of earth plates (4) Volcanic eruption

Last Answer : Collision of earth plates

How can irreversible changes change?

Description : How can irreversible changes change?

Last Answer : I'm not quite sure what you mean here. The term irreversiblechange is rather meaningless. Some changes are easier to reversethan others, that's all. Melting and freezing water is fairly easy.Melting and ... 't take carbon dioxide andwater and turn them into wood, but plants do it all the time.

When baking powder and vinegar is mixed is this irreversible or reversible change?

Description : When baking powder and vinegar is mixed is this irreversible or reversible change?

Last Answer : What is the answer ?

How can irreversible changes change?

Description : How can irreversible changes change?

Last Answer : I'm not quite sure what you mean here. The term irreversiblechange is rather meaningless. Some changes are easier to reversethan others, that's all. Melting and freezing water is fairly easy.Melting and ... 't take carbon dioxide andwater and turn them into wood, but plants do it all the time.

The irreversible change in any plant part (s) with respect to size, form, weight, volume etc.

Description : The irreversible change in any plant part (s) with respect to size, form, weight, volume etc.

Last Answer : Ans. Growth

Fermentation of grapes is considered as a chemical reaction as it is a (a) chemical change (b) sugar in grapes converts into alcohol (c) Irreversible change (d) all the above

Description : Fermentation of grapes is considered as a chemical reaction as it is a (a) chemical change (b) sugar in grapes converts into alcohol (c) Irreversible change (d) all the above

Last Answer : (d) all the above

The mutarotation of glucose is characterized by : (a) a change from an aldehyde to ketone structure. (b) a change of specific rotation from a (+) to a (–) value. (c) the presence of an intramolecular bridge structure. (d) the irreversible change from α-D to the β-D form.

Description : The mutarotation of glucose is characterized by : (a) a change from an aldehyde to ketone structure. (b) a change of specific rotation from a (+) to a (–) value. (c) the presence of an intramolecular bridge structure. (d) the irreversible change from α-D to the β-D form.

Last Answer : the presence of an intramolecular bridge structure.

Pick out the correct statement. (A) The available energy in an isolated system for all irreversible (real) processes decreases (B) The efficiency of a Carnot engine increases, if the sink temperature is decreased (C) The reversible work for compression in non-flow process under isothermal condition is the change in Helmholtz free energy (D) All (A), (B) and (C)

Description : Pick out the correct statement. (A) The available energy in an isolated system for all irreversible (real) processes decreases (B) The efficiency of a Carnot engine increases, if the sink temperature is decreased ... condition is the change in Helmholtz free energy (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Entropy change for an irreversible isolated system is (A) ∞ (B) 0 (C) < 0 (D) > 0

Description : Entropy change for an irreversible isolated system is (A) ∞ (B) 0 (C) < 0 (D) > 0

Last Answer : (D) > 0

Pick out the wrong statement: (A) The expansion of a gas in vacuum is an irreversible process (B) An isometric process is a constant pressure process (C) Entropy change for a reversible adiabatic process is zero (D) Free energy change for a spontaneous process is negative

Description : Pick out the wrong statement: (A) The expansion of a gas in vacuum is an irreversible process (B) An isometric process is a constant pressure process (C) Entropy change for a reversible adiabatic process is zero (D) Free energy change for a spontaneous process is negative

Last Answer : (B) An isometric process is a constant pressure process

Entropy of a substance remains constant during a/an __________ change. (A) Reversible isothermal (B) Irreversible isothermal (C) Reversible adiabatic (D) None of these

Description : Entropy of a substance remains constant during a/an __________ change. (A) Reversible isothermal (B) Irreversible isothermal (C) Reversible adiabatic (D) None of these

Last Answer : (C) Reversible adiabatic

Generation of heat by friction is an example of a/an __________ change. (A) Isothermal (B) Irreversible (C) Adiabatic (D) Reversible

Description : Generation of heat by friction is an example of a/an __________ change. (A) Isothermal (B) Irreversible (C) Adiabatic (D) Reversible

Last Answer : (B) Irreversible

A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then (where, Δ S1 and Δ SR are the entropy changes of the system for the irreversible and reversible processes respectively) (A) Δ S1is always < Δ SR (B) Δ S1is sometimes > Δ SR (C) Δ S1is always > Δ SR (D) Δ S1is always = Δ SR

Description : A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then (where, Δ S1 and Δ SR are the entropy changes of the system for the ... S1is sometimes > Δ SR (C) Δ S1is always > Δ SR (D) Δ S1is always = Δ SR

Last Answer : (C) Δ S1is always > Δ SR

Pick out the wrong statement. (A) The net change in entropy in any reversible cycle is always zero (B) The entropy of the system as a whole in an irreversible process increases (C) The entropy of the universe tends to a maximum (D) The entropy of a substance does not remain constant during a reversible adiabatic change

Description : Pick out the wrong statement. (A) The net change in entropy in any reversible cycle is always zero (B) The entropy of the system as a whole in an irreversible process increases (C) The ... to a maximum (D) The entropy of a substance does not remain constant during a reversible adiabatic change

Last Answer : (D) The entropy of a substance does not remain constant during a reversible adiabatic change