One of the ways joints can be classified is by their degrees of freedom.

Variety of living organisms; includes genetic, species, and ecological types.

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

Is this mrna or rna need need the answer in a hurry