Two major approaches to non-fossil-fuel energy alternatives are renewable energy and
A) nuclear power.
B) geothermal.
C) wind energy.
D) solar energy.
Question 2
The fact that every organism in a biological community has a distinctly separate niche is largely the result of
A) abiotic factors: soil chemistry, temperature, and moisture.
B) competition among many species for limited resources.
C) seasonal climate changes.
D) the fact that nearly all species live at the limits of their tolerance boundaries.
Energy-flow diagram for a Georgia salt marsh.
A central port fuel-injection system.
Organic approaches and the reduction of inputs and pollution
Radiative forcing expresses change in energy input over time
Permafrost: High albedo, reflects as much as 90% of the Sun’s energy
Major Types of Introns