Answer:
The air in the room
Explanation:
The diffrent temp of the water compared to the room. The water was colder than the room.
They use information from other things that relate to that topic and then use that to do their research
Answer: A. Look at the trial’s results to see how the design can be improved.
Answer: when you burn something every action has a reaction. so if you put wood in the fire the wood would burn up into this coal like block once completely burnt through. after there is no more wood left to burn the fire would slowly die and there would just be the remains of the wooden block.