Q4.13. Scientists are investigating how different ecosystems store carbon as biomass, which could reduce or delay the impacts of climate change. They estimate that the net primary productivity (NPP) of tundra (an arctic/alpine biome) is about 2.5 g C /m2/yr, and that this carbon has a residence time of 146 years. What is the size of the pool of carbon stored as biomass

scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's

a compound light microscope is used to magnify objects in steps.  

hope it

answercells,tissues,organs,organ,system-organism;

levels of biological organization; organism,population,community,ecosystem,biome,biosphere,

hope this .good luck