Answer:
A
Explanation:
When you crumble a piece of paper it make a sound plus i just did on apex
Stored mechanical energy is energy stored and awaiting to be used and mechanical energy is the energy that was stored being used.
Sorry, but where are the ‘items’?
Answer:
Carbon dioxide is a compound
Explanation:
It is formed by chemical combination of carbon and oxygen atoms
Answer:
Explanation:
pH = − log [H+] , we can solve for [H+] as,
− pH = log [H+] ,
[H+] = 10^−pH,
so PH =2.4 in you case is
[H+] = 10^-2.4 =0.00398
The option are not correct it looks