Answer:
Protons and neutrons have approximately the same mass, about 1.67 × 10−24 grams, which scientists define as one atomic mass unit (amu) or one Dalton. Each electron has a negative charge (−1) equal to the positive charge of a proton (+1). Neutrons are uncharged particles found within the nucleus. hope this helps you :)
Answer: Mouth. Liver. Esophagus.
Stomach. ...
Gall bladder. ...
Pancreas. ...
small intestine. ...
large intestine.
Explanation:
Answer:
amino acids, proteins, nucleic acids, ammonia,
Explanation: