The answer is c because if you treat the sewage water than you that means that the water will be clean so it prevents diseases
Answer:
No, it has too many variables or possible changes.
Explanation:
If you carried out an experiment or research on something, you have to given the same environmental and soil conditions to the factors. In this experiment, Kevin put the first plant in large pot and the other two plants in the field conditions. For performing correct experiments, Kevin put all the plants in separate pots or in the field conditions.
Answer:
The answer is A. a natural disaster killed off the population by flooding their habitat.
Explanation:
I had to do the assignment.