Subí esta tarea hace un rato pero la estoy volviendo a subir por una mejor recompensa, espero y me puedan ayudar <3

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

What can be found in the ionosphere

Which of the following describes a situation where competition between producers exists