Albert, a student researcher, varies the amount of food given to rats in an experiment to measure the effect on their learning behavior. In albert's study, the amount of food given is the independent variable.
An independent variable is under the control of the experimenter. Independent variable does not depend on the other variables involved in the experiment. Since the amount of food is varied, it is not depending on other variables like size of mice, weight, etc.
I think it’s all of the above because they can all be found in the air and in water sources
Answer: im not one hundred percent sure this is correct but i think it is Catholic if im right can you mark me as brainiest
Explanation:
These two apply.
1.) The sporophyte of seed plants is photosynthetically independent.
2.) In seed plants, dispersed spores contain a multicellular gametophyte.
