The answer is c because boy have the same rock layer you can use they key to help you
The answer is C. Separate into ions
I apologize in advance if this is incorrect but what I was taught is that the correct answer is gather data to design a recovery plan.
The disadvantages of the pyramid of productivity as a representation: The rate of biomass production of an organism is required, which involves measuring growth and reproduction through time. There is still the difficulty of assigning the organisms to a specific trophic level.
