Yes they do have a cell wall
Answer:
This poisonis an example of an aboitic factor
Natural system is former when various components get grouped together for a particular function
If the gradient or slope is high then the water flow will go faster because suppose water is flowing down from a skateboard ramp, it would flow faster than water flowing throw a straight pipe.
Here's a picture I drew to help you!
Answer:
tungsten metal is the strongest metal.