Celina has a water sample that’s contaminated with salt and microorganisms. Which method should she use to purify the water A.
distillation
B.
filtration
C.
osmosis
D.
reverse osmosis

What is the strongest intermolecular force between an nacl unit and an h2o molecule together in a solution? covalent bonding dipole-dipole force hydrogen bonding ion-dipole force

Identify and describe the three ways that mutations affect organisms.

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.