1) What is the third rock for the sun a) Mars b) Venus c) Saturn d) Uranus e) Earth f) Neptune 2) WHat elemts does earth have a) Helium b) Oxygen c) Indium d) Carbon e) Hydrogen f) Silicon 3) What elemts does the universe have a) Helium b) Hydrgen c) Hassium d) Indium e) Oxygen f) Carbon 4) How old is the universe? a) 20.9 billion b) 18.4 billion c) 12.6 billion d) 13.7 billion e) 15.9 billon f) 12.5 billion

Space

de
Încorporează

Clasament

Stilul vizual

Opţiuni

Comutare șablon

Restaurare activitate salvată automat: ?