A dependent variable is how they are recording, measuring or keeping track of the science experiment their doing.
A independent variable is the things/types there using to compare what is the most/least affective in the experiment.
A controlled variable is something that stays the same in the experiment or a group/set used for comparison
think its the second one,have a nice day
I believe the answer is an egg
Answer:a mould added to the surface, ig
Not so sure
Explanation: have a great day
Answer:
The Sun revolves around Earth.
