Answer:
g/m2 is the unit used in a pyramid of biomass. Kilocalories is Unit of measure for energy pyramids
I’m pretty sure it’s d cause that’s not inflammation
Lichens are widely used as environmental indicators or bio-indicators. If air is very badly polluted with sulphur dioxide there may be no lichens present, just green algae may be found. Therefore the answer is the air quality is good because of no lichens present
I believe that the answers are physical and chemical barriers.
