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Updated on: 14 Mar 2021, 01:39
Originally posted by homersimpsons on 01 Oct 2020, 20:56.
Last edited by Sajjad1994 on 14 Mar 2021, 01:39, edited 3 times in total.
Last edited by Sajjad1994 on 14 Mar 2021, 01:39, edited 3 times in total.
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Question 1
B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
44% (02:09) correct
56%
(02:06) wrong
based on 503
sessions
History
Date
Time
Result
Not Attempted Yet
Question 2
C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
64% (01:17) correct 36%
(01:30) wrong
based on 488
sessions
History
Date
Time
Result
Not Attempted Yet
Question 3
A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
53% (01:01) correct 47%
(00:55) wrong
based on 470
sessions
History
Date
Time
Result
Not Attempted Yet
Question 4
A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
65%
(hard)
Question Stats:
51% (01:22) correct 49%
(01:25) wrong
based on 463
sessions
History
Date
Time
Result
Not Attempted Yet
As of the late 1980’s, neither theorists nor large-scale computer climate models could accurately predict whether cloud systems would help or hurt a warming globe. Some studies suggested that a four percent increase in stratocumulus clouds over the ocean could compensate for a doubling in atmospheric carbon dioxide, preventing a potentially disastrous planetwide temperature increase. On the other hand, an increase in cirrus clouds could increase global warming.
That clouds represented the weakest element in climate models was illustrated by a study of fourteen such models. Comparing climate forecasts for a world with double the current amount of carbon dioxide, researchers found that the models agreed quite well if clouds were not included. But when clouds were incorporated, a wide range of forecasts was produced. With such discrepancies plaguing the models, scientists could not easily predict how quickly the world’s climate would change, nor could they tell which regions would face dustier droughts or deadlier monsoons.
That clouds represented the weakest element in climate models was illustrated by a study of fourteen such models. Comparing climate forecasts for a world with double the current amount of carbon dioxide, researchers found that the models agreed quite well if clouds were not included. But when clouds were incorporated, a wide range of forecasts was produced. With such discrepancies plaguing the models, scientists could not easily predict how quickly the world’s climate would change, nor could they tell which regions would face dustier droughts or deadlier monsoons.
Q1. The author of the passage is primarily concerned with
(A) confirming a theory
(B) supporting a statement
(C) presenting new information
(D) predicting future discoveries
(E) reconciling discrepant findings
(A) confirming a theory
(B) supporting a statement
(C) presenting new information
(D) predicting future discoveries
(E) reconciling discrepant findings
Q2. It can be inferred that one reason the fourteen models described in the passage failed to agree was that
(A) they failed to incorporate the most up-to-date information about the effect of clouds on climate
(B) they were based on faulty information about factors other than clouds that affect climate
(C) they were based on different assumptions about the overall effects of clouds on climate
(D) their originators disagreed about the kinds of forecasts the models should provide
(E) their originators disagreed about the factors other than clouds that should be included in the models
(A) they failed to incorporate the most up-to-date information about the effect of clouds on climate
(B) they were based on faulty information about factors other than clouds that affect climate
(C) they were based on different assumptions about the overall effects of clouds on climate
(D) their originators disagreed about the kinds of forecasts the models should provide
(E) their originators disagreed about the factors other than clouds that should be included in the models
Q3. It can be inferred that the primary purpose of the models included in the study discussed in the second paragraph of the passage was to
(A) predict future changes in the world’s climate
(B) predict the effects of cloud systems on the world’s climate
(C) find a way to prevent a disastrous planetwide temperature increase
(D) assess the percentage of the Earth’s surface covered by cloud systems
(E) estimate by how much the amount of carbon dioxide in the Earth’s atmosphere will increase
(A) predict future changes in the world’s climate
(B) predict the effects of cloud systems on the world’s climate
(C) find a way to prevent a disastrous planetwide temperature increase
(D) assess the percentage of the Earth’s surface covered by cloud systems
(E) estimate by how much the amount of carbon dioxide in the Earth’s atmosphere will increase
Q4. The information in the passage suggests that scientists would have to answer which of the following questions in order to predict the effect of clouds on the warming of the globe?
(A) What kinds of cloud systems will form over the Earth?
(B) How can cloud systems be encouraged to form over the ocean?
(C) What are the causes of the projected planetwide temperature increase?
(D) What proportion of cloud systems are currently composed of cirrus of clouds?
(E) What proportion of the clouds in the atmosphere form over land masses?
(A) What kinds of cloud systems will form over the Earth?
(B) How can cloud systems be encouraged to form over the ocean?
(C) What are the causes of the projected planetwide temperature increase?
(D) What proportion of cloud systems are currently composed of cirrus of clouds?
(E) What proportion of the clouds in the atmosphere form over land masses?
RC Butler 2021 - Practice Two RC Questions Everyday.
Passage # 127 Date: 31-Mar-2021
This question is a part of RC Butler 2021. Click here for Details
Passage # 127 Date: 31-Mar-2021
This question is a part of RC Butler 2021. Click here for Details
02 Oct 2020, 13:24
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A little over 6 mins- All correct.
Para1: Theorists/Computer models are not able to decide whether cloud system are helpful or hurtful for global climate. Two types of cloud systems are presented to support this fact.
# S. Clouds # C. Clouds
What could author present next? May be more on why Theorists/Models are not able to decide on cloud systems.
Para2: Further strengtheners are presented to consolidate the facts given in Para1.
#14 models
Overall: A fact was presented and later further examples were presented to support the fact.
Q1. The author of the passage is primarily concerned with
(A) confirming a theory------------------No Confirmation of any theory
(B) supporting a statement--------------Support has been given to the provided fact. Correct.
(C) presenting new information---------No New info
(D) predicting future discoveries--------Some part of future predictions were described in 2nd para but predicting future "discoveries" is far fetched.
(E) reconciling discrepant findings-----What are discrepant findings? Irrelevant.
Q2. It can be inferred that one reason the fourteen models described in the passage failed to agree was that
(A) they failed to incorporate the most up-to-date information about the effect of clouds on climate
-----Most up to date- Can't infer.
(B) they were based on faulty information about factors other than clouds that affect climate
-No where it's mentioned that the info were faulty.
(C) they were based on different assumptions about the overall effects of clouds on climate
-- Correct.
(D) their originators disagreed about the kinds of forecasts the models should provide
--No info given about what originators agreed/disagreed on the forecasts.
(E) their originators disagreed about the factors other than clouds that should be included in the models
--No info given about what originators agreed/disagreed on the factors..
Q3. It can be inferred that the primary purpose of the models included in the study discussed in the second paragraph of the passage was to
I was confused between A and B but later chose A.
"With such discrepancies plaguing the models, scientists could not easily predict how quickly the world’s climate would change, nor could they tell which regions would face dustier droughts or deadlier monsoons." I think by this statement it's reasonable to believe that the models are to predict future changes in the world's climate and not to predict effects of cloud system on world's climate.
Q4. The information in the passage suggests that scientists would have to answer which of the following questions in order to predict the effect of clouds on the warming of the globe?
(A) What kinds of cloud systems will form over the Earth?-------------------------------------Hold
(B) How can cloud systems be encouraged to form over the ocean?-------------------encouraged to form over ocean??
(C) What are the causes of the projected planetwide temperature increase?------------the passage has info about cloud systems only. So OOC.
(D) What proportion of cloud systems are currently composed of cirrus of clouds?----cloud was just an example to show that why scientists were not able to decide on cloud systems.
(E) What proportion of the clouds in the atmosphere form over land masses?-----Out of context.
Hence A
Para1: Theorists/Computer models are not able to decide whether cloud system are helpful or hurtful for global climate. Two types of cloud systems are presented to support this fact.
# S. Clouds # C. Clouds
What could author present next? May be more on why Theorists/Models are not able to decide on cloud systems.
Para2: Further strengtheners are presented to consolidate the facts given in Para1.
#14 models
Overall: A fact was presented and later further examples were presented to support the fact.
Q1. The author of the passage is primarily concerned with
(A) confirming a theory------------------No Confirmation of any theory
(B) supporting a statement--------------Support has been given to the provided fact. Correct.
(C) presenting new information---------No New info
(D) predicting future discoveries--------Some part of future predictions were described in 2nd para but predicting future "discoveries" is far fetched.
(E) reconciling discrepant findings-----What are discrepant findings? Irrelevant.
Q2. It can be inferred that one reason the fourteen models described in the passage failed to agree was that
(A) they failed to incorporate the most up-to-date information about the effect of clouds on climate
-----Most up to date- Can't infer.
(B) they were based on faulty information about factors other than clouds that affect climate
-No where it's mentioned that the info were faulty.
(C) they were based on different assumptions about the overall effects of clouds on climate
-- Correct.
(D) their originators disagreed about the kinds of forecasts the models should provide
--No info given about what originators agreed/disagreed on the forecasts.
(E) their originators disagreed about the factors other than clouds that should be included in the models
--No info given about what originators agreed/disagreed on the factors..
Q3. It can be inferred that the primary purpose of the models included in the study discussed in the second paragraph of the passage was to
I was confused between A and B but later chose A.
"With such discrepancies plaguing the models, scientists could not easily predict how quickly the world’s climate would change, nor could they tell which regions would face dustier droughts or deadlier monsoons." I think by this statement it's reasonable to believe that the models are to predict future changes in the world's climate and not to predict effects of cloud system on world's climate.
Q4. The information in the passage suggests that scientists would have to answer which of the following questions in order to predict the effect of clouds on the warming of the globe?
(A) What kinds of cloud systems will form over the Earth?-------------------------------------Hold
(B) How can cloud systems be encouraged to form over the ocean?-------------------encouraged to form over ocean??
(C) What are the causes of the projected planetwide temperature increase?------------the passage has info about cloud systems only. So OOC.
(D) What proportion of cloud systems are currently composed of cirrus of clouds?----cloud was just an example to show that why scientists were not able to decide on cloud systems.
(E) What proportion of the clouds in the atmosphere form over land masses?-----Out of context.
Hence A
General Discussion
21 Aug 2025, 21:28
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Hello from the GMAT Club VerbalBot!
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Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
