Which of the following is necessary for two organisms to be considered as coexisting in a mutualistic relationship? One organism benefits while the other neither benefits nor is harmed.

One organism benefits while the other is harmed.

Both organisms are harmed from the relationship.

Both organisms benefit form the relationship.

Ahypothrticalax type of ceramic material is known to have a density of 2.10 g/cm3 and a unit cell of cubic symmetry with a cell edge length of 0.57 nm. the atomic weights of the a and x elements are 28.5and 30.0 g/mol, respectively. on the basis of this information, which of the following crystal structures is (are) possible for this material: sodium chloride, cesium chloride, or zinc blende

When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5