Answer:
hope this helps
Explanation:
The atoms of hydrogen have smaller mass than oxygen. Thus their speeds have to higher in order to produce the same average kinetic energies.
Answer:
c. the heart
all the rest actually will excrete, the heart is in a closed system so contributes to excretory organs but doesn't actually do it barring an accident
Explanation:
90% of energy is lost. only 10% is left.
therefore the answer is B. 90%
