Explanation

• the amount of sunlight on the surface of the earth varies because of the earth's  rotation
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• Different parts of Earth receive different amounts of sunlight because of the Earth's rotation.
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• As Earth orbits around the Sun, it also rotates on its axis, which is the central line running through Earth and it turns a complete circle 
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Explanation

• The joint where our neck joins the head is a pivotal joint.
• It allows us to bend our head forward and backward and turn the head to our right or left
  

Explanation

• 99.9% to 100% of the energy entering the earth's atmosphere comes from the sun.
• 51% of the incoming energy is absorbed by the earth's surface i.e. the land and oceans.
  

Explanation

Acre, unit of land measurement in the British Imperial and United States Customary systems, equal to 43,560 square feet,

 4,840 square yards.

One acre is equivalent to 0.4047 hectare (4,047 square metres).

Explanation

• CPU  is used to process data in the PC
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• The processor, more formally known as the central processing unit (CPU)
• A processing device is any device inside a computer that interprets and manipulates incoming data during this stage.
  

Explanation

• The lines of Latitude are 180
• *** Lines of latitude,

• Lines of latitude,also called parallels, are imaginary lines that divide the Earth. 
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• Latitudes are horizontal lines that measure the distance north or south of the equator. Longitudes are vertical lines that measure east or west of the meridian in Greenwich, England.
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• Lines of latitude start at 0 degrees at the equator and end at 90 degrees at the North and South Poles (for a total of 180 degrees of latitude).
  

Explanation

• The 4 types of joints in the human body.
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• TYPES OF JOINTS
• Joints are classified according to the kind of material holding the bones together and the relative freedom and kind of motion at the particular joint.
• 1. Fibrous Joints:
•  2. Bony Joints:
• 3. Cartilagenous Joints:
• 4. Synovial Joints: 
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• The hip and knee are the largest joints in the body.
• smalled joint in the human body is the stapes
• The stapes is the smallest and lightest bone in the human body,
  

Explanation

• FM stands for  Frequency Modulation
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• Unlike AM, in an FM radio broadcast, the information is transmitted in variations in the carrier wave frequency.
  
• Edwin Armstrong introduce FM on December 26, 1933.
  

Explanation

• Renin is found in the stomach
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• Rennin is a milk-curdling enzyme, that occurs in the gastric juices of infants 
  
• rennin, also called chymosin, is a protein-digesting enzyme
• it is found only in the fourth stomach of cud-chewing animals, such as cows, calves, and other ruminants.
  

Explanation

Obedient : complying or willing to comply with an order or request; submissive to another's authority.

Punctual : happening or doing something at the agreed or proper time.

Regular : arranged in or constituting a constant or definite pattern, especially with the same space between individual instances.

Aimless : without purpose or direction.

Desultory : lacking a plan, purpose, or enthusiasm.

Synonym of Desultory is Aimless