Kate gathered three boxes of the same size made of different materials: glass, clear plastic, and aluminum painted black. she pl
aced them on a window sill in the sun for an hour then measured the warmth of the air in each box. in this experiment, the warmth of the air is a(n)________. A. independent variable
I think the answer is reversible. Reversible reaction is a kind of reaction which can react in both direction at the same time. And when the both side reactions get the same speed, the reaction is at a equilibrium state.
The energy transforms from chemical energy to heat and light energy. Because when the candle burns a chemical reaction occurs, and produces heat and light.
