Answer:
It is important to collect all data first, or else your guesses could purely be the opposite of the right answer. If you make inferences of what might happen, your guesses may be purely fictional, and totally off-topic. During experiments, this step is important.
Explanation:
I think there' will be a decrease in volume of the air.
Answer:
a..312 I guesss kkkkkkkkkkkkkkkkkk
