What does percent body fat mean?
You must have heard the term body fat percentage. It is the percentage of fat present in your body. If your body weighs 160 pounds and you have 10 percent of fat then your body contains 16 pounds of fat …
Read MoreWhen was the internet invented?
Internet was not invented by a single person or company but its invention was the developments and ideas of experts. These developments and ideas about internet were started nearly quarter of century back.
Development of internet was started in 1957 when …
What causes an ocean trench?
The ocean trenches are long hemispheric scale and they are narrow topographic depressions in the sea. These trenches form the deepest points in the ocean and are the lowest points on earth.
These trenches are formed at a particular place of …
When was electricity invented?
George Carlin says “electricity is just organized lightening” or we can say that electricity always existed it was not invented instead it was discovered. It has become a very important part of today’s life. Most of the things and appliances …
Read MoreHow are plastic bags made?
Plastics bags are made up of polyethylene in its low density form (LDPE). This polythene is derived from natural gas, crude oil and non-renewable sources.
Blown film extrusion or “tubular film extrusion” is one of the most common ways to make …
When was the first car made?
After the invention of wheel man started inventing different types of vehicles to be run on roads.
In 1885 the first car came over the roads. Before this many successful attempts were made but they were steam-powered vehicles.
The first self propelled …
When was the first television made?
A box by which we see images and sounds is called television. Let us know about its invention and development.
In 1862 Abbe Giovanna Caselli invented pantelgraph which sends the still images with wires. May and Smith the other scientists in …
What causes belly fat?
People who lead sedentary lifestyles have more belly fat as compared to the people who remain active. It is situated on the top of abdominal muscle and it is dangerous because it is around the liver and other organs which …
Read MoreWhy is the grass green?
Grass has this color because it has a pigment like other plants called chlorophyll. This pigment is found in organelles (little factories) in a plant cell known as chloroplasts. Which is involved in the process called photosynthesis (a process by …
Read MoreHow to clean plastic surfaces?
Plastics are used in many products. It provides protective surface for countertops and cabinets also. Plastic surfaces can be easily cleaned. Things required to clean plastics are:-
Kitchen cleaner spray
Mild detergent
Warm water
Sponge
Nylon bristled brush
Mild glass cleaner
Soft cloths
Plastics do not absorb stains …
How to weld plastic?
Plastics can be joined together or welded together in many ways. One is with electrical welding leister. Generally the plastics products used in cars, bikes and other vehicles are thermoplastics so that they can be easily molded or welded. Some …
Read MoreWhy is recycling plastic important?
Plastics are used in wide range of things. So it is produced in a very huge amount and its convenience is undeniable. Recycling of plastics is very important because it is made from the oil which will cause the regular …
Read MoreHow to get fat?
Generally people want to be slim. But few of them who are too thin or are from anorexic group want to gain weight. Here are some ways how to get fat:-
Eat
First thing you can do to gain weight or to …
Which vitamins do women need?
There is the slight difference in the nutrition of men and women. Some vitamins are specially required by women for their specific body functions. Female needs a variety of vitamins, minerals, antioxidants that come from different types of food. But …
Read MoreHow deep is the Pacific Ocean?
Pacific Ocean is the largest of all the water bodies on the earth. It has got its name from a Latin word “Mare Pacificum” which means “peaceful sea” given by Ferdinand Magellan a Portuguese explorer.
Pacific Ocean is 12999 meters deep. …
Which vitamins are good for the skin?
Vitamins play very important role in maintaining and repairing skin health. The most important vitamins for the skin are vitamin C and vitamin E.
Vitamin C and E
Vitamin C and E prevents the skin from cancer when it remains in sunlight …
How is plastic made?
Polymers are primarily made up of carbon, hydrogen and oxygen. They are the long chains which repeat themselves again and again.
Many steps are evolved in the production of plastics
Polymerization
Most common raw material required for the manufacture of plastics in oil …
What is plastic?
Plastics are a type of polymer or synthetic which is much like resins found in plants and trees. Polymers are made up of carbon string and other substances. The units in every string are called monomers. These monomers when goes …
Read MoreWhy does the moon have craters?
There are many craters on the moon which are formed when something smashes on the surface and cause a dent to happen. These craters are formed mainly because of the collision of asteroids, meteorites with the moon. They strike on …
Read MoreWhat are the affects of global warming?
Global warming is the trapping of heat on the earth surface due to the rise in temperature. It affects in many ways to all the living beings on the earth.
Natural disaster
Global warming can cause more serious, frequent and strong storms, …