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.
Answer:
Carrying capacity was reached due to the abundance of prey
Few factors....
greater concentration differences between regions. I. e. steeper concentration gradient.
lighter molecular mass of substances.
Answer:
sea floor spreading occurs at mid ocean ridges
Valence electrons. They are the outermost electrons
