Answer:
I don't speck or understand spanish
Explanation:
I can understand Si that means yes but that all
The color changes, heat change, smell change, are a few
They are pretty much the cause and effect. The independent variable that is being changed in the experiment, so it is the cause. The dependant variable is the result of change the independant variable, so the effect.
Here it is. Radon is the heaviest gas element
