What are minerals? a solid that is inorganic and naturally occuring
an accumulation of 1 or more minerals
an organic liquid that is naturally occuring
a loid that is organic and naturally occuring.

Which of the following is a reason why early living organisms on earth could not have survived on the surface? 1. the lack of an ozone layer 2. the lack of oxygen in the atmosphere 3. the fact that these organisms were single-celled