The answer to this is : B, Their roots.
There aren't enough oxygen molecules in the air are higher altitudes
Assuming you mean living matter
All living matter is produced by other living matter
I believe <span>Protease enzymes are what are used to break proteins into amino acids.</span>
Producing 100 kg of protein A requires calculating the necessary amount of soy, calculating the necessary inputs, looking for related information, and supervising the process.
To produce 100 kg of protein A with soybeans, I must look for information related to the cultivation of soybeans, what is the protein concentration in a soybean, and other aspects necessary for its maintenance and harvest.
In this search, I find that soy has a protein concentration of 50% or higher, so if I have to get 100 kg of protein, I must get at least 200 kg of soy.
So I grow some soybean plants in pots inside my house and I harvest their grains until I complete 200kg, supervising the whole process so that the plant does not suffer any disease or problem.
Learn more in: brainly.com/question/14824019