All three are bad for the environment because all three types release CO2 into the air and have throughout their constant usage helped with creating the greenhouse effect that traps heat and causes global warming. That's why clean energy is a necessity and people are developing harnessing wind and solar power.
Genotype of the Q gene is homozygous dominant
They help work together because when the heart pmps blood through the body and the cells flow through the blood non stop its like a barrier of protection