Questions

Q:

What role does photosynthesis play in the carbon cycle?

Answer

In the process of photosynthesis, plants need the sun's energy, water to make food for themselves in the form of ATP ( adenosine triphosphate ) , which is packages of energy.


Carbon :


coming into the plants ( or algae ) along with water make those ATP into a bigger molecule, which is know as glucose.


Formula: 6 CO2 + 6 H2O + Suns Energy -> glucose + oxygen


Photosynthesis has an affect on the carbon cycle because it reduces the amount of CO2 in the air and redirects it into sugars which feeds animals as well as humans.


 


Hence, Photosynthesis removes CO2 from the atmosphere and replaces it with O2.

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Q:

A lunar eclipse occurs when

A) The Sun, the Earth and the Moon are in a straight line B) The Moon, and The Earth are in a straight line
C) The Sun and the Earth are in a straight kine D) The Sun and the Moon are in a straight line
 
Answer & Explanation Answer: A) The Sun, the Earth and the Moon are in a straight line

Explanation:

An eclipse happens when a planet or a moon gets in the way of the sun's light. Our planet Earth experiances two types of eclipses. They are Solar and Lunar eclipses.

 

Solar Eclipse : This occurs when The Sun, the Moon and the Earth are in a straight line. The moon being in middle blocks sun rays falling on the Earth.

 

Lunar Eclipse : The Sun, the Earth and the Moon are in a straight line. The Earth being in middle and moon in the shadow of Earth behind it.

a_lunar_eclipse_occurs_when1560750613.jpg image

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Q:

The world's Largest Car Park is __________

Answer

The world's largest car park can hold 20,000 vehicles and is situated at the West Edmonton Mall in Edmonton, Alberta, Canada. There are overflow facilities on an adjoining car park for 10,000 more vehicles.

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Q:

A proton is identical to _____.

A) the nucleus of helium B) the nucleus of a hydrogen atom
C) an alpha-particle D) a beta particle
 
Answer & Explanation Answer: D) a beta particle

Explanation:
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Q:

Which of the following is a feature of leptin?

A) It acts primarily on the brain B) It is secreted by the brain and acts on fat cells
C) It is an enzyme D) It is usually deficient in thin people
 
Answer & Explanation Answer: B) It is secreted by the brain and acts on fat cells

Explanation:
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Q:

Which statement about subatomic particles is not true?

A) Protons and neutrons have the same charge B) Protons and electrons have the opposite charhes
C) Protons and neutrons have almost the same mass D) All of the above
 
Answer & Explanation Answer: A) Protons and neutrons have the same charge

Explanation:
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Q:

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one, which best express the same sentence in Indirect/Direct speech.

'What do you want?' Sheila asked Rohan.

 

A) Sheila asked Rohan what do you want. B) Sheila asked Rohan what he wanted.
C) Sheila asked Rohan what does he want. D) Sheila asked Rohan what he wants.
 
Answer & Explanation Answer: B) Sheila asked Rohan what he wanted.

Explanation:
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Q:

Lime mortar is generally made with

A) Hydraulic lime B) Quick lime
C) Fat lime D) Plain lime
 
Answer & Explanation Answer: A) Hydraulic lime

Explanation:

Lime mortar is generally made with Hydraulic lime.

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