MIREN ESTO,

A UN CONOCIDO LE GUSTA ESTO.

NO SE POR QUE .

QUE HAGO?​

How water is moving through the ecosystem ?

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

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