Which is NOT an element that must be present for a fire to occur?
1 answer:
Hi There
The answer is C
I hope that's help !
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Answer:
B and C
Explanation:
- B and C lies in the same group i.e Group 2.
- They are alkaline earth metals .
- Hence their characteristics will be same .
B=calcium (Ca)
C=Barium{Ba)
The Answer Is 12
I Hope This Helps You.
The period determines the horizontal arrangement of the periodic table, I think anyways
Answer:
because he would've not known properly about it!
Do you have any options, or is this a write-in?
If it is a write in, the answer is most likely friction, or heat energy.