Answer:
observation because you are using senses such as sight and smell to come to a logical conclusion about something.
Smog. Im pretty sure smog is the only unhealthful air pollution on this list.
Weaker gel concentration could make the lines on the graphs closer together
The router through which water will travel inside the root is <span>Xylem --> phloem --> endodermis --> stele --> epidermis --> cortex --> cambium. The correct option among all the options that are given in the question is the second option or option "B". I hope that this is the answer you were looking for and it has helped you.</span>