Which term is the name for when both organisms benefit from a relationship?

How many molecules of sucrose c12h22o11 are there in 454 grams of sucrose

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

The grooves or folds of the brain are called