Identify a dependent variable measured in the researchers experiment. Identify one control that e researcher could use to improve the validity of the experiment.

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics?

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

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