Answer:
B
Explanation:
BECAUSE TO DO THE TESTS YOU NEED TO DO THE SCIENTIFIC METHOD.
FOR EXAMPLE: OBSERVATIONS AND EXPERIMENTS TO OBTAIN RESULTS.
ANYWAY I LEAVE YOU THE LINK:
https://gscourses.thinkific.com
Please find attached photograph for your answer.
Hope it helps.
Do comment if you have any query.
When a liquid changes to gas, this phase change is called vaporization or evaporization.