Certains aliments, comme les endives ou les choux de Bruxelles, ont un goût amer. Les livres de recettes proposent souvent de les cuisiner avec des
tomates, du vinaigre ou du jus de citron. Explique pourquoi.

It decreases by 4 is your answer mark brainliest 

1b. convection2f. the same

Remember that rust prevented by placing a sacrificial electrode in electrical contact with the iron. the sacrificial electrode must be composed of a metal that  oxidizes  more easily than iron (that is, it must be below iron in table 18.1).

Seems cool i guess ttyl