1¿que es el agua?
2¿que cosas la contaminan?
3¿cual es el lago de mayor agua dulce?
4¿Cuáles son los factores que determinan las condiciones ecológicas del medio dulceacuícola?5¿Qué organismos acuáticos pueden encontrarse allí?
6¿Para qué tienen necesidad de calcio ciertos moluscos, crustáceos y otros invertebrados?
7 ¿Para qué se utiliza la mayor parte del agua dulce?
8¿como esta formada el agua?blog de gonzalo

1_ he name is Arthur Stanley Jefferson

2_ was born on June 16th 1890

3_ was in Ulverston in north-west England

4_ two brothers and one sister

5_ his father was theatre manager

6_ Stan went to the United States in September 1910

7_ The first Laurel and Hardy film was made in 1926

8_ Laurel and Hardy worked together for twenty-nine years and made more than a hundred film comedies

9_ twenty-nine years and made more than a hundred film comedies.

10_ Laurel married Ida Kitaeva, a Russian singer, in 1946

11_ He died in Santa Monica, California, in 1965

12_ He was 75 years old

Alvaro

and

Belen

viejas locas

ojoooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo con el oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooojo

"BABY"... vegeta

hola soy goku . que oooooooooooooooooooooooonda?