Answer: Creo que es B
Explanation:
P.S(eso fue muy difícil. Lo siento mucho si se equivoca.)
Answer:
I hope this helps and if not I'm truly sorry
Explanation:
2
Percent composition by element
Element Symbol # of Atoms
Barium Ba 1
Hydrogen H 2
Oxygen O 2
Answer:
1. left ventricle of the heart (ejects blood into the aorta)
2. ends with the right atrium (collects returning blood)
Explanation:
The flow of energy is always one way. If we start at the sun and the sun’s energy moves to a plant, then the plant cannot transfer that energy back into the sun. The flow of energy is always controlled bc there is always a visible path it takes.
