Which technology used to generate electrical power involves a trade-off between economical electricity and long-term waste disposal problems?
solar collector
fossil fuel
nuclear reactor
wind turbine

What pattern of migration do whales follow?

Where can dna be found in a prokaryotic cell

Amarine ecologist has constructed the conceptual model shown in the diagram. what predictions can be made from using this model? where the tertiary consumers get their energy how often primary producers are able to reproduce when bacteria and fungi initiate the process of decomposition whether other secondary consumers are present