Hybrid vehicles, compact fluorescent light bulbs, and front-loading washers were all designed to
a.
increase air pollution
b.
decrease water pollution
c.
conserve energy resources
d.
protect natural habitats

C.  conserve energy resources

Explanation:

Hybrid vehicles are those that are based on hybrid propulsion systems that combine an internal combustion engine and one or more electric motors for operation.

All this in order to reduce the use of fossil fuels such as oil, which are highly polluting and non-renewable, to achieve the conservation of energy resources by considerably reducing the amount and time of fossil fuel use.

a reason that was key to coolidge's victory in the 1924 presidental election was that; democratic party supporters were split in the north and south.