I think the answer for this Question is DNA
Magnesium is the major mineral which is important for nerve and heart functions. It is a co-factor for over 300 enzymes. It is a major constituent of bone and is found in whole grains and vegetables. Sudden heart attacks may be due to the low level of magnesium. It can be obtained by consuming rice bran, sunflower seed, wheat barn and linseed meal.
I don't think that is right !!! .....some planktons can be eaten and it is not release cO2 back in air. so false !