(b)
a student has eaten a steak for dinner. the steak contains protein and fat.
(i)
describe how the protein is digested.

The protein is digested by breaking up all of the fatty acids and then transferring it the the stomach then the protein is used to repair muscle or stored as energy or fat

digestion of protein starts from the stomach, absorbs in the jejenuim after pancreatic juice (pepsin and renin) and bile have finished working on it. Its digestion ends in the ileum which is the final stage of the small intestine

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.

answer///malignant melanoma;