2- El electron ocupa el nivel
de menor energia que se
encuentran libre

Which of the following is true of photosynthesis? a)carbon dioxide is a reactant b)water is a product c)most reactions within this process are exothermic d)oxygen is a reactant

Tlymphocytes mature in the? a. thyroid gland. b. bone marrow. c. spleen. d. thymus.

Which level of consumer had access to the smallest apply of energy