Question

true and False please help me:
1) A good fuel has a high rate of combustion.
2 )A substance does not burn unless it attains its ignition temperature.
3. A combustible substance is a fuel.
4 A fuel is a combustible substance.
5. LPG is a fuel cleaner than wax.
6 Carbon di-oxide gas is used to extinguish fire.
7 Stone is a combustible substance.
8. Carbon monoxide is a green house gas.
9. Fossils fuels are preserved in the Earth's crust.​

Answer 1

Answer:

Easy

Explanation:

TRUE

TRUE

TRUE

TRUE

FALSE

TRUE

FALSE

TRUE

FALSE

Answer 2

Answer:

Here's your answer.

Explanation:

1) true

2) false

3) true

4) true

5) idk

6) true

7) false

8) true

9) true

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