jueves, 6 de mayo de 2010

THE WORLD TODAY


1. What is the population of the world when you opened this web page?
There are more than 6 billion human beings on Earth

2. How many people were on the earth when you were born and what percentage has the population increased by since then?
5665524000 people there were in the world when I was born and it has increased in 22%

3. What is the predicted population in 120 years time?

every second five persons are born and 2 persons die, at this rate, the world population in 120 years time will be of 48 billion. however the United Nations estimate that we will only be 12 billion in 120 years.


4. How many babies come to life everyday?
400000 babies come to life everyday

How many children in your lifetime?


5. How many babies is it possible for a woman to have in her lifetime?

A woman can to have 24 babies in her lifetime


6. If a woman became sterile at 45, how many babies is it possible for her to have?

when she can to have 20 babies in her lifetime but women do not become sterile at the same age. Most women could potentially have 15 babies.


7. What are the main reasons why women do not have this many children?



  • marriage, which delays the first birht

  • breastfeeding, nature's way to delay the next birth

  • birth control

  • women don't bear children until they are married or living with a partner.

    8. Enter on the web page the best age for a woman to get married. How many does this reduce the fertility potential (the number of babies you can have) by?

Globally women get married on average at age 21. This reduces their fertility potential from 15 to 11 births



9. What is the average age of marriage in the regions listed below?
North America
Europe
Latin America
Asia
Africa
Oceania
10. Enter on the web page the number of months you think a woman should breastfeed for. How much does the birth potential reduce by?


Globally women breastfeed each baby for an average of 15 months. This reduces their birth potential from 11 to 7.



11. How many months, on average, do women from each of the regions below breastfeed?
North America
Europe
Latin America
Asia
Africa
Oceania
How many children in your lifetime?
12. Enter on the web page the number of children you want. If you do not use birth control, how many children could you have?
13. For each of the birth control methods shown below, write down their efficiency rate.
Efficiency rate
Have no sex 100%
Withdrawal 60%
Condoms 90%
Pill 99%
IUD 99%
Sterilization 100%
14. What is the most common form of birth control worldwide?

the conndon