Question

Although carbon dioxide is helpful in photosynthesis, it's excess may be harmful for us. Why?

Answer 1

plants have a limit to take co2. And it also heats up the air and causes global warming

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Answer 2

Excess of carbon dioxide can pose a severe threat to the atmosphere. Although CO2 helps the plants in photosynthesis, when emitted in excess, it can have some adverse effects.

1. A rise in the level of CO2 can cause trouble in breathing.

2. It can cause many health issues.

3. An increase in the concentration of CO2 in the atmosphere can cause the temperature to rise, thereby, leading to global warming.