Fossil fuels are considered non-renewable resources because
a. they are not being produced as fast as they are being used.
b. they are no longer being produced.
c. they are not a cost-effective method of creating usable energy.
d. they contain pollutants that are destroying our environment.

How do ocean currents affect temperature? check all that apply. they carry cold water from the poles to the equator and cool air over land. they flow north and then south below the equator. they flow south and then north above the equator. they move warm water from the equator to the poles and heat air over land. they move east to west and create prevailing winds. they move west to east and create seasonal winds.

In the figure, polygon abcd is transformed to create polygon a′b′c′d′. this transformation is a by a factor of .

The biome that includes evergreen trees is the forest biome.