Question

1.5 - Write the name give one word answer?
1. Gas needed for burning is.
2. Which gas is necessary to extinguish
3. Which gas fill in the ballons.
4. Plants need for their growth.
5. Plants is help to make food by.​

Answer 1

1. Oxygen

2.carbon - di- Oxide

3.helium

4.Nitrogen

5.sun light

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Answer 2

Answer:

• Oxygen
• Carbon dioxide (CO2)
• Helium
• Carbon dioxide, nitrogen and some oxygen
• carbon dioxide (CO2)