Why is iPhone so popular?

It’s been 4 years since Apple released the first generation of iPhone, and now the iPhone is still the best mobile at the market. There are other phones that can do some things better than the iPhone. But what keeps the iPhone selling more devices than any other cellular phone manufacturer?

Why are the poles colder than the equator?

It is easy to know that each part of the world has its own climate. In general, it is true to say that the poles are colder than the equator. This results from the earth‘s tilt, the warmer receive more direct sunlight.

Why is the ocean salty?

Ocean water is salty as minerals get dissolved into the rain water from the solid earth. The majority of these minerals come from rivers whereas some originated from the rock or the plan living in the sea. 

Why is the sky blue?

In the sunny day, you look the blue sky above. Have you ever asked yourself why the sky is blue?

Why does the lunar eclipse occur?

The moon rises and sets every day as it orbits around the earth, even on the night when there appears to no moon. Like the moon, the earth goes around the sun in circle in the period of twelve month. Sometimes the sun, the moon and the earth are aligned exactly or very close so, with the earth between, a lunar ellipse happens. 

Why the Human Body Temperature Is 37 Celcius (98.6 Fahrenheit) Degrees?

Scientists have found the reason why our body temperature is 37°Celsius (98.6° Fahrenheit) degrees.

Why do students plagiarism?

The word plagiarism comes from the latin word Plagiaries, which means "kidnapper". Plagiarism occurs when you take someone else’s ideas or words and try to pass them off as your own original work. In its worst form this happens when someone is stuck for ideas and lifts a passage from a textbook, hoping that the use of this ‘borrowed’ material will not be noticed. 

Why do people study MBA?

The Masters in Business Administration (MBA) is as popular as ever - even in a highly changeable market. Many people think that it is important to study an MBA. Why?

Why should your business differentiate from your competitors?

Differentiation is, simply, a way of establishing a competitive advantage as part of your business strategy. Differentiation happens when you deliver better services to your customers at the same price as your competitors, giving you an immediate advantage. Everywhere you come, there are competitors. If you want to be successful in business, it is essential to differentiate from the competitors.

Why are social activities important for students?

It's not easy for some students in making new friends, harmonizing with the new environment in school. Other things such as adopting new methods of study, living in new environment or even the weather… may cause depression on the students. Social activities become more important because they can partly solve those problems. 

Teaching children is a good social activity

Why does solar eclipse happen?

The solar eclipse happens when the Moon passes between the Sun and the Earth, and the Moon fully or partially blocks light from the Sun as viewed from a location on Earth. The Earth darkens and stars appear in the sky as if it's night. This can only happen during a new Moon, when the Sun and Moon are in conjunction as seen from Earth.

Why do bears hibernate during winter period?

During the winter period, the food sources for the wild animals becomes very scarce. Bears bypass the winter in hibernation when their food supplies are very limited.

Why Nobel prize is not given in maths?

Nobel prize is awarded for physics, chemistry, literature, peace, and physiology or medicine, but not for Maths. A lot of people wonder why there is no Nobel prize in this popular field, but the reason is still unclear.

Why is sale promotion important?

To any organization aiming to make profits, it is very important to sell as many products/ services as possible. 

Why is accounting important?

Accounting can be defined as the system of setting up, maintaining and auditing the book of the company. It does not simply record the transactions of a company but organize them in a suitable format to provide useful information to these who are interesting in the activities of the firm.

Why is financial planning important?

Financial planning is a process which presents before an individual, organization or even a country, the current financial position and the adjustments in the spending pattern, in order to meet the goals.

Why is human resource important?

There is no business if no employee except own business, so human resources of a company is very significant and reflects to the success of company.

Why is the marketing important?

Nowadays, marketing strategies become more and more intensive and creative, driving more and more customers close to products. That's why marketing is very important for business.

Why is the economic growth important?

Economic growth is one of the most important figures to every country in evaluating the development of economy of that country. It is measured as the change in gross domestic product (GDP) subtracting the inflation rate.

Why shoun't you put lemon in tea?

Tea has a lot of benefits for healthy living. It provides valuable minerals, calcium, zinc and folic acid. Tea is a source of the minerals manganese, essential for bone growth and body development, and potassium, vital for maintaining body fluid levels. Tea with milk contains Vitamin B6, Riboflavin B2 and Thiamin B1... But why don't put lemon in tea?