The ultimate source of energy in an ecosystem is the a. consumer
b. producer
c. sun
d. decomposer

In attempt to solve the working problems created by the industrial revolution, the united states and many countries in europe considered and/or adopted

Wind energy is plentiful in regions with vast open spaces it is a non polluting renewable resource what could be an economic factor that makes the use of this resource less feasible then non renewable resource even in such regions

Which type of scientific statement is defined as a hypothesis or group of hypotheses that can be accepted as true based on the repeated experimentation with similar results