What are food water living space and disease examples of

What is a spectator ion in the reaction between ba(no3)2(aq) and (nh4)3po4(aq)?

How far is the region from the equator or control climate

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull