It is called the esophagus
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I say it is all of the above.
Answer:
lanthanoids and actanoids I believe.
Answer:
As they produce food by the process of photosynthesis which cannot be done by anyone else. Plants use chlorophyll, CO2 and H2O in photosynthesis( which is a biochemical process). Plants became a cause of life on earth. Hence plants are the ultimate source of food on earth.
This procedure is called In Vitro Fertilization (IVF)
