Do You Know,friends?
 

1 The Purest Form Of Iron Is Wrought Iron
2 Leaves Change Colour In Autumn Due To Shortage Of
Chlorophyll
3 Tuberculosis Is A Disease Of Lungs Caused By Bacteria
4 The Green Leaves Of The Trees Turn Brown And Fall In Autumn
Because The Pedical Of Leaves Is Weaken Beacause Of Deficiency
Of Starch
5 The Fungi Causes Maximium Spoilage To Out Cereal Crops
6 A True Fruit Is Drived From The Ovary Of Flower
7 Blood Cells Are Manufactured By Bone Morrow Of The Body
8 W.shockly Invented Transistor
9 Microphone Is Invention Of Berliner
10 Dr Charles Invented Laser
11 Udometer:it Is A Rain Gauge,used To Measure Rain Water
12 When A Bullet Penetrates Into A Target,the Kinetic Energy Of
The Bullet Is Converted Into Mechanical Energy
13 Watson And Crick Discovered D.n.a
14 Bicycle Is Invention Of Macmillon
15 Conversion Of Milk Into Curd Is Done By Lactic Acid And Bacteria
16 Sometimes When White Blood Corpuscles Greatly Increase In
Number They Cause A Disease Called Leukemia
17 The Age Of Tree Is Determined By By Counting Its Rings
18 The Velocity Of Light Is More Than The Velocity Of Sound That
Is Why We Hear Thunder After,and See Flash Of Light First
19 The Scientific Study Of Old Age Is Called Gerontology
20 Chlorofloro Carbons Cause Decomposition Of Ozone Layer