In which type of wave do the particles in a medium move perpendicular to the direction that the wave moves?

a.
transverse waves

b.
ocean waves

c.
surface waves

d.
longitudinal waves

Which of these best describes an ionic bond?

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

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 —