1
water existed on Earth from the ........
2
First shellfish, primitive fish, corals, algae and mollusks were dominant in the oceans.
3
The first sharks appeared, as well as bony fish. Amphibians and spiders and the first terrestrial forests started colonizing land.
4
The particles ............. causing the universe to form
5
Diverse animal and plant life appeared, reptiles diversified. Then there was a mass extinction.
6
Our planet was formed by a solid metal core, a liquid ......... and a thin but hard crust.
7
The ........ we live in is called the Milky Way.
8
Our ......... is approximately 4.5 billion years old.
9
The Theory of the Core of Creation ”affirms that in the beginning, in our solar system there was dust and ......... rotating.
10
The volcanic theory states that water was formed in the center of the ..........
