Nitrogen in form of soluble nitrite salts
Carbon in form of carbon dioxide
Nitrogen is converted to salts by the action of nitrogen fixation bacteria or can be provided by use of chemical fertilizers or organic fertilizer
carbon dioxide is present in air from where plants influx it from stomata opening in leafs
Answer: A and D
Explanation: Sclerenchyma cells are thick cells that provide support in plants. They have thick cell walls lined with lignin. They possess extremely thick cell walls which gives rigidity and support to the plant body. Their main and primary function is to give support and structure to the plant.
Sclerenchyma cells don't have protoplast that mean the cells are dead at maturity.
c. cell theory because i tried it and it was wrong with a
