Scientific explanation has data or statistics that have been tested and experimented to determine outcomes. Stories are subjective information that has no evidence to back up if it’s true or not.
You should wear safety goggles, make sure that your equipment is clean, and use the proper amount of chemicals(or other substance) as told
An independent variable is something a Scientist messes with like baking soda and vinegar the independent variable is the baking soda and vinegar and the dependant variable is the explosion
Answer:
the first and sencond options (1 and 2)
Explanation: