What can make the salinity of some ocean water increase while other ocean water
decreases?

Which statement best describes how atoms combine to form sodium chloride (nacl)? a. a positively charged sodium ion and a positively charged chlorine ion form an covalent bond. b. a positively charged sodium ion and a negatively charged chlorine ion form an covalent bond. c. a positively charged sodium ion and a positively charged chlorine ion form an ionic bond. d. a positively charged sodium ion and a negatively charged chlorine ion form an ionic bond.

Describe the chemical reaction based on the chemical equation below. also, explain whether the equation is balanced.

Agood hypothesis includes which of the following? a: prediction b: data c: uncertainty d: conclusion