It is known as facilitated transportation .
Both because sometimes science goes with what the public says and sometimes...well we dont want to go there but no its false science does what it wants.
Answer: B
Explanation: biotic means living abiotic means non living.
Soil respiration refers to the production of carbon dioxide when soil organisms respire. This includes respiration of plant roots, the rhizosphere, microbes and fauna. Soil respiration is a key ecosystem process that releases carbon from the soil in the form of CO 2 . CO 2 is acquired from the atmosphere and converted into organic compounds in the process of photosynthesis. Plants use these organic compounds to build structural components or respire them to release energy. When plant respiration occurs below-ground.