Plants absorb carbon dioxide from respiration in the plant.
If a leaf is covered it is defficent in light and chlorophyll chloroplasts.
Compost bins have holes in so that heat can be let out, as microorganisms are killed at high temperatures so the waste materials will decay slower without the microoraganisms. Also the holes allow oxygen to ENTER the bin.
Biomass and Energy
Humans eat mainy herbavors (Plant eating animals), this is…