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1) Organismo a partir del cual se originaron todas las demás especies​

Discuss your favorite season of the year. describe some of the activities you like to do during that season at home and what you would do if you were in puebla. would you participate in the same activities in puebla as you would at home? would you do different things based on the weather?

Achemist mixes 4 liters of one acid solution with 10 liters of a 40% solution, resulting in a 30% acid solution. what is the value of x, the acid concentration of the first solution

Haz parejas con los siguientes lugares y lo que se encuentra en ellos. 1. toa baja 2. san juan 3. guavate 4. bayamón 5. guaynabo 1. base áerea fort buchanan del ejército estadounidense 2. una parte del triángulo de las bermudas 3. el pueblo del chicharrón' y una de las ciudades más grandes de puerto rico 4.la capital de puerto rico 5. lugar famoso para probar la gastronomía típica de puerto rico