mitochondria
im not 100% sure but it makes sense
the glass of water that has been sitting in the sun cause it gathers the heat energy
the more the temperature the more energy
hope you understand and good luck
The oxd state of O is -2
the oxidation state, of O2 is(-2)2
the oxd state of Se will be +4
the oxd state of compound will be zero
Sodium/natrium is a metal from first column group so it should have one 1+ charge. Phosphate ion has 3- charge. That is why there 3 natrium ion for 1 phosphate ion when this molecule is dissolved in water. The ion formula would be:
(Na)

(PO

) ==> 3 Na

+ PO
All you have to do is multiply 68 miles and 3.2 hours. It will give you the answer, 217.6 mph.
68x3.2=217.6 miles per hour.