THEY ARE VERY EASILY CHANGED SO WHEN IT HAPPENS THE CHARACTERISTICS ARE SHAPED AS WELL
A confounding variable refers to an external effect, which modifies the influence of an independent and dependent variable. This extraneous effect is used to affect the outcome of an experimental design. The confounding variables can ruin the experiment and can generate unnecessary outcomes.
In the given case, confounding variables can be introduced by testing multiple hypotheses at a time and by using distinct kinds of soil in each of the samples.
the correct answer is convection and gravity . I hope this helps :)
Answer:
Most common differences might be long but it is what it is
Explanation:
