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Crossword Puzzle
Crossword Puzzle

Tierra primitiva

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Tierra primitiva
 

Crossword Puzzle

Tierra primitivaOnline version

Palabras clave de la Tierra temprana

by lucia
1

Capa gaseosa que rodeaba la Tierra primitiva.

2

Gas presente en la Tierra primitiva, compuesto por carbono e hidrógeno.

3

Gas con nitrógeno e hidrógeno presente en la atmósfera primitiva.

4

Elemento químico muy abundante en la Tierra primitiva.

5

Científico que propuso una teoría sobre el origen de la vida.

6

Estructuras que se forman espontáneamente y se consideran precursoras de la vida.

7

Proceso de desarrollo y cambio de los seres vivos a lo largo del tiempo.

8

estructuras primitivas similares a células

9

"_____ primitivo":mezcla donde se originaron las primeras moléculas.

10

tipos de moléculas necesarias para la vida

8
2
4
10
5
7
3
9
6
 
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