The organisms in a pond and the physical factors influencing them best describes an ecosystem.
On the first question, x in the graph does not represent the changes over time. It shows the time and year of the problem. The second question's answer is also false. The teta or angle of the question does not also represent the changes over time but the year it is being studied.
10. true that is necessary
9. it reduces the chances of errors
8.true
7.true
5.how well the skunk removed
People need to stop scamming
