1.

4. Corbon dioxide is necessary for the plants to prepare food. Prove this statement with help of an example.

Answer»

Answer:

it is true that plants need co2 to make food to prove

keep a PLANT in a ROOM in which sunlight can enter and water it properly . Then spread potassium hydroxide  in the room as potassium hydroxide absorbs co2 .the observe it for 1 to 3 days . you will observe that the plant GOT DRIED . it is because the plant not got co2 to make its food

hope it would be helpful



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