the answer to your question is false
There are often not more than one or two independent variables tested in an experiment, otherwise it is difficult to determine the influence of each upon the final results. There may be several dependent variables, because manipulating the independent variable can influence many different things.
Answer:
b
Explanation:
Van leeuwenhoek, hope this is right! good luck!
This can be caused by over grazing from the livestock or even wild animals such as rabbits. Rabbits are known to breed very quickly and can destroy an ecosystem with their sheer numbers.
Https://www.press.muni.cz/media/3019066/answers_to_all_questions.pdf
