The Earth

By  Lydia Giménez

The Earth is the third planet around the sun in our solar system. The earth is about 12,756 km. It's the first planet in the solar system where humans live. The earth has one moon. The moon's diameter is 27% of the diameter of the Earth. The diameter has 3,476 km.
The Earth orbits 149,600,000 km from de sun. The orbit of the Earth is close to begin circular. Also the Earth has four seasons: autumn, winter, spring and summer. The autumn is from September 21th to December. The winter is from 21th of December to 21th of March. The spring is from 21th of March to 21th of June. The summer is from 21th of June to 21th of September.
Also the Earth is hot. The temperature in the center  of the earth ranges from 2200 ºC to 4400 ºC. The hottest temperature record was on the continent of Africa, because of global temperature. The global temperature is caused by the excess of carbon dioxide and the water vapor. Also the Earth is composed of 78% nitrogen, 21% oxygen, 0.9% argon, 0.03% carbon dioxide, and  amounts of other gases.
Life forms on Earth have modified the composition of the atmosphere since their evolution.

20 things that you have to know

By Islena Ferreira

1. The crocodile can't take out its tongue.
2. The most resistent material that has been created by the naturure is the spider´s web.
3. The Cd's were created to last 72 minutes because this is the duration of the Beethoven's symphony.
4. The lightning kills more people than volcanic eruptions and  earthquakes.
5. It is demostrated that the cigars are the most useful source of information, the same as the statistics.
6. The 15% of the American women send themselves flowers on Valentine's day.
7. The Shakespeare's son was illiterated.
8. Before 1800, the shoes were the same for the left and rigth foot.
9. The ant doesn't sleep.
10. The sneeze travels in your lips at 965km/hr.
11. In the city of Los Angeles, there are most cars than people.
12. When Bugs Banny appeared for first time, his name was Happy Rabbit.
13. The most common name is Mohammed, in the world.
14. In United States Of America are most plastic flamingo than meat and bones.
15. The cats and the dogs can be left-handed and right like the humans.
16. The penguins don't fly....Because they have cold.
17. American Airlines saved $40,000 only eliminating one olive of each salad that they served.
18. The percentage of wild Africa is only 28%.
19. It is imposibble to sneeze with the eyes open.
20. It is most probable that a person is killed for the bag of the cork of champagne than for a bit of a venemous spider.