Answer:
The answer is C
Explanation:
C6H12O6 + 6 O2 --> 6 CO2 + 6 H2O
Yes because carbon dioxide is considered waste.
Nephron helps the urinary system to rid off metabolic waste in our system.
Answer:
Lignin is found in plant cell wall, particularly in middle lamella of cell wall (eg. sclerenchyma tissue).
<u>Role of lignin in plants:-</u>
- It helps in conduction of water.
- It provides mechanical support to the plant.
- It also nurtures resistance to many kinds of stress.