wind energy
if you read careful it's a joke :)
coal
are you dum?a circuit with a source of energy and at least one conductor is blah.
Yes, solar energy is classed as a renewable source of energy.
The cleanest energy source is nuclear power plant because you dont need to use too much gas, you're only needing a coal and uranium but except for its pipline that can be hazardous to those living near it..
the innermost energy level has the least amount of energy
coal
Type I Marine Sanitation Devices tends to have the least impact on the environment.
are you dum?a circuit with a source of energy and at least one conductor is blah.
Nothing has no impact to the environment. However, nuclear power, when all things are considered, has the least impact.
It is really only dangerous to the environment if it is used. Although, it can be harmful if it spills and there are humans nearby or right there.
The least expensive energy source causes too much pollution
BIOLOGICAL
Geothermal
BIOLOGICAL
using a safe fountain fo clean drinking water
BIOLOGICAL
A nuclear incident would have a great impact on the environment and people, but would be the least likely to occur.Several people answered "biological", but I would question the "least likely" aspect. A nuclear incident would have a greater effect on the environment compared to a biological incident.