¿Toda investigación científica se somete siempre a una?

Dna is the genetic material that makes up living things, and folic acid plays an important role in the information of dna. jon wants to study the effect of folic acid on dna formation in microbes. which statement accurately describes the variables in this study

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences

Diagram of the evolution of land plants?