When a person is experiencing heartburn, he or she feels a burning sensation in the throat and midchest. think about the structures of the digestive system. what most likely causes the burning sensation?

gold i'm pretty sure i might be wrong

the nitrogen cycle provides nitrogen to the ecosystem from the atmosphere, ground and oceans. nitrogen is an important component of complex molecules such as amino acids and nucleotides, which lead to the creation of proteins and dna, the building blocks of all life. plants absorb nitrogen in the form of ammonium, nitrate ion and, on rare occasions, as amino acids. animals receive nitrogen necessary for biological processes from feeding on living or dead organic matter.

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mark brainliest!