Answer:
1) B. The change in energy in a system during an exothermir reaction
2) B. In the air, only the oxygen is part of the system
3) B. The energy found in the reactants....
4) D. This is an endothermic reaction because the system took energy from the surroundings.
5) B. Energy is released by the formation of chemical bonds
Explanation:
TOOK THE QUIZ...YOU'RE WELCOME!!!
Well it depends on how big the swimming pools are like one of those big ones or the kid ones also I’m thinking if it’s the little ones that’s it’d be like a 10 years but the big ones omg I have no clue
You could put the quote "everything I am, helped me to be"