What is the name of a variable that you change in an experimenta) dependant variableb)stable variablec)graphing variabled)independent variable

d) Independent variable

Explanation:

In an experiment we are generally finding which variable changes with respect to another variable.

The variable which is changing irrespective of the other variable is called the independent variable i.e., generally considered as the input.

The variable which is changing with respect of the independent variable is called the dependent variable i.e., generally considered as the output.

gans

explanation:

vestigial organs (like your appendix) are organs that no longer serve a purpose.