Hola sera que me pueden ayudar con este ejercicio 5,5*10exp2 oz*gr*l*ºf gr*kg*ml*ºc a pie*lb plg*gr

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.