Would it be lack of water and food?
THE ANSWER IS I.ASTEROIDS II.COMETS III. METEOROIDS IV. PLANETS PLZ MARK BRAINLISEST HOPE I HELPED THX
Mg+Cl2--> MgCl2
Magnesium plus chlorine equals magnesium chloride
The Big Bang is a scientific theory about how the universe started, and then made the stars and galaxies we see today. ... Then about 13.8 billion years ago, space expanded very quickly (thus the name "Big Bang"). This started the formation of atoms, which eventually led to the formation of stars and galaxies.
