Question

What are the methods used by plants to get rid of their waste products ? 3. Give reason for the following : (a) Arteries are thick walled blood vessels. (b) Veins are thin walled blood vessels. (c) Veins have valves in them​

Answer 1

Explanation:

plants use there dry leaves to store waste in them.when these leaves fall off plants get rid of their waste products.

3. a) Arteries are thick walled blood vessels because the blood flows under high pressure.

b) since the blood is no longer under pressure, Veins are thin walled blood vessels.

c) Veins have valves in them to prevent backflow of blood.

hope it helps you.....

please mark as BRAINLIEST....

follow me for more help....