1. Coal.
2. how much carbon dioxide is emitted by each source.
3. how to maximize the use of clean sources of energy.
<span />
Plasma is the fourth state of matter. Plasma is an ionized gas, a gas into which sufficient energy is provided to free electrons from atoms or molecules and to allow both species, ions and electrons to coexist.
<span>The wings on
the beetles are examples of vestigiality. Vestigiality is a structure with
attributes that have apparently loss its ancestral function but stil present
during evolution. It is a normal evolutionary process in the changing
environment that does not pressure them to evolve.</span>
Answer:
Biomass Fuels, Geothermal energy
I Am pretty sure the answer is cork
