Do identical twins have the same finger-prints?

Today we are going to learn some interesting facts, did you know that, what is a light-year? , it's ok if you don't know, we are going to learn some interesting facts now just read enjoy, and the facts.

1: How can you find the age of a tree?

Each year, a layer of new wood grows just beneath the bark and makes a ring. Counting the rings shows how old a tree is.

2: What is the purpose of a spacesuit?

Spacesuits stop astronauts from getting too hot or cold. They also shield against the Sun's rays.

3: Which elements are noble metals?

The noble metals are gold, silver, mercury, and platinum.

4: Do identical twins have the same finger-prints?

No. Even identical twins have differences in their fingerprints.

5: How does sand form?

Sand forms when wind and rainwear down rocks into tiny pieces.

6: Why are essential oils are called essential?

They are called essential oils because of their ease of solubility in alcohol to form essences. Essential oils are used in flavoring, Perfumes, disinfectants, medicine, and other products.

7: What is pedicar?

It is a pedal-powered, all-weather one passenger vehicle with straight-line pedal action, disc brakes, five forward speeds plus neutral and reverses.

8: How can tattoos be removed?

Tattoos can be removed by skin grafting, by infrared coagulation treatment.

9: Why do birds sing?

Birds sing to attract other birds of the same species or to warn them off. Parents and chicks recognize each other voices.

10: Which plant parachutes its seeds?

The dandelion's plume of hair slows its fall so that it can drift on the wind.

11: What do blood cells do?

The red blood cells deliver oxygen around the body, while the white blood cells help to protect the body from disease.

12: Why the soccer shoe has cleats?

The cleats on a soccer shoe help you start, stop, and turn without slipping.

13: Why do cat's eyes shine in the dark?

A cat's eyes contain a special light-conserving mechanism, which reflects any light not absorbed as it passes through the retina of each eye.

14: What is a computer virus?

A computer virus is a program that searches out other programs and infects them by replicating itself in them. It is spread when users communicate by computer, often when they trade programs.

15: What do you mean by dew point?

As the air cools at night there is a point when cannot hold any more water vapor and condensation begins. This is called the dew point and dew forms on the ground.

16: Which is the record runner of all birds?

The flightless ostrich has feet with only two toes, which are the most highly adapted for the running of all birds.

17: How does' emerald get its color?

Emerald is a variety of green beryl that is colored by a trace of chromium.

18: Why does fish die if taken out of water?

Fish can take in oxygen from water. When it is removed from the water, it is removed from its source of oxygen, and soon dies.

19: What makes iron rust?

Iron will rust in air or water as air or water contains oxygen Oxygen reacts with iron to form a compound called iron oxide seen as brownish-red rust.

20: Why do people snore?

People snore when soft tissues in the throat collapse during deep sleep. The soft tissues partly block air passing in and out of the lungs. Vibrations are set up, producing the snores.

21: How do satellites stay up?

Satellites stay up because they are moving too fast to fall. Their speed balances out the pull of the earth's gravity

22: Which chemical is used in greater quantities?

Sodium chloride or salt has been used in greater quantities and for more applications.

23: Do all birds fly?

No. Among the flightless birds include the penguins, kiwis, emus, ostriches, and rheas.

24: What is chamois?

The chamois is a goat-like animal. Its skin has been made into shammy leather for cleaning glass and polishing automobiles.

25: How does the body protect itself from too much heat?

Perspiration is the body's own air conditioner which evaporates off the skin and cools it.

26: When did the concept of square root originate?

The concept of the square root has been in existence for thousands of years. The French mathematician Rene Descartes was the first to use the square root system

27: What is jet lag?

The physiological and mental stress encountered by airplane travelers when crossing four or more time zones is commonly called jet lag.

28: Which is the slowest moving fish?

Seahorses are the slowest moving fish and they hover in the water, propelling themselves along with their back fins.

29: How long it takes for a spider to weave a complete web?

The average orb-weaver spider takes 30 to 60 minutes to completely spin its web. A completed web features several spokes leading from the initial structure

30: Why monkeys are adapted to their treetop?

Monkeys have a pair of forward-facing eyes and long arms with grasping hands. They use their strong tail as well as their hands and feet, to cling onto the branches of trees.

31: What helps motorcycles and bicycles to stay upright when they are moving?

The gyroscopic effect of the spinning.

32: What is a light-year?

A light-year is like a measure of distance, not time. It is the distance that light, which travels in a vacuum at the rate of 3,00,000 kilometers per second, can travel in a year (365.25 days).

33: Why people shrink as they grow?

As people get older, the cartilage pads that protect the bones of the spine become thinner and this leads to height loss.

34: Which material is easy to recycle?

Glass is easy to recycle. Used glass is collected, cleaned, broken into pieces, and melted. Then it is molded into new bottles.

35: What causes cramps?

You get cramps when your muscles are tired. You may have to stamp, stretch, or rub the leg to get rid of the pain.

36: Why wheels work?

Wheels reduce friction because they roll with the movement of the vehicle, without any surfaces rubbing together.

37: How is bullet-proof glass made?

Bullet-proof glass is composed of two sheets of the plate, molded together under heat and pressure.

38: Who is a hacker?

A hacker is a skilled computer user. Now it denotes a user whose main interest is in defeating the password system.

39: What causes sea breeze?

On a hot summer day, the land heats up more quickly than the sea. Because of this air rises over the land and cool breezes rush in to replace it.

40: Why are manhole covers round?

Circular covers are almost universally used on sewer manholes because they cannot drop through the opening

41: Which plant seems to be a source of petroleum?

The shrub called the gopher plant produces significant quantities of milk - like sap - called latex: that is an emulsion of hydrocarbons in water.

42: What do you mean by the blue moon?

The term blue moon signifies the second full moon in a single month and it does not refer to the color of the moon.

43: Why are Phillips screws used?

The screwed head and cross-shaped slots of a Phillips screw are self-centering and allow a closer, tighter fir than the conventional screw.