Answer:
36
Explanation:
If you divide 72 by 2 the answer would be 36
Carbon ^^ is the answer if I’m not mistakenn
Activation energy is the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
for example , striking a match on the side of a matchbox provides the activation energy, in the form of heat produced by friction.
Number 1 is true the second one is true the third is true number 4 is true and lastly number 5 is false I hope this helps you but I’m very confident!
