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Q:

Biogeochemical cycles are crucial to ecosystem function because

A) they keep the planet warm enough for living things to survive B) energy flows through ecosystems in one direction only and is eventually dissipated as heat
C) they prevent catastrophic extinctions D) nutrients and other life-sustaining molecules are in limited supply and must be continually recycled
 
Answer & Explanation Answer: D) nutrients and other life-sustaining molecules are in limited supply and must be continually recycled

Explanation:

Biogeochemical cycles are crucial to ecosystem function because ::

 

1. Chemical elements are available in only limited amounts and must be recycled.

2. Nutrients and other life-sustaining molecules are in limited supply and must be continually recycled.

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Filed Under: General Science
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0 1642
Q:

Air in the pleural cavity is called a pneumothorax.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

Air or gas can build up in the pleural space and when this happens, it's called a pneumothorax.


Hence the given statement is TRUE.

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Subject: Biology
Exam Prep: AIEEE , Bank Exams
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2 1808
Q:

Smallest prime number greater than 200?

A) 201 B) 205
C) 211 D) 203
 
Answer & Explanation Answer: C) 211

Explanation:

From the trial and error method of division,

201 is divisible by 3

205 is divisible by 5

203 is divisible by 7

 

Hence, after eliminating three options, remained is 211 and is divisible by only 1 and itself. 

 

Therefore, 211 is the smallest prime number greater than 200.

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Filed Under: Arithmetical Reasoning
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1 1608
Q:

Megahertz is a measurement of

A) Frequency B) Speed
C) Wavelength D) Capacity
 
Answer & Explanation Answer: A) Frequency

Explanation:

Megahertz is used to measure wave frequencies, as well as the speed of microprocessors. One MHz represents one million cycles per second. The speed of microprocessors, called the clock speed.

frequency_measurement1532346951.png image

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Filed Under: Physics
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2 2260
Q:

Group of birds flying together is called Startling.

A) TRUE B) FALSE
Answer & Explanation Answer: B) FALSE

Explanation:

A Group of birds or a flock flying together in hundreds or even in thousands is called Murmuration.

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Subject: Animals and Birds
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6 2893
Q:

Is statement about the clergy is true or false?

 

Village priests led a lifestyle similar to that of the nobility.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

At that time, the king would directly consult to a priest whenever He want to make the decision for the people. This mean that the role of the priest at that time is similar to the role of ministers on modern day's government. This make the priests have equal standing with other nobles.


 


Hence, Village priests led a lifestyle similar to that of the nobility according to clergy is true.

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Subject: World History
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6 17480
Q:

Colonial America adopted whose NCO traditions?

A) France B) Britain
C) US D) Korea
 
Answer & Explanation Answer: A) France

Explanation:

The American noncommissioned officer tradition began with creation of the Continental Army in 1775 at the beginning of the American Revolution. They adopted NCO traditions from French NCO.

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Filed Under: World History
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2 2972
Q:

Most common and popular name in the world?

A) Peter B) Mohammed
C) Robert D) Ahmed
 
Answer & Explanation Answer: B) Mohammed

Explanation:

Mohammed or Mohammad is thought to be the most popular name in the world, given to an estimated 150 million men and boys.

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Filed Under: General Awareness
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1 1540