Value of pi using the first pair of the data

the first pair, (1.38,4.07) returns a value of 2.95 for pi.

Explanation: pi the defined as the ratio of the circumfernece of a circle to it's diameter.  For the circle (diameter, circumference) (both in cm), the ratio is (4.07/1.38).  That equals 2.95 for pi.

The rest of the calculations are attached.  A few are closer to the accepted value of 3.14 . . . .

Ithink the answer is pollution in the air steel made of iron and carbon

Most likely a is the answer - because  you generate   38 atp's but also consume an atp.   each atp gives approx. less than 4 kcal so probably a is the closest answer.