What are the characteristics of a substance in the liquid state?

answers:
a: made up of particles packed closely together, having both definite shape and definite volume

b: made up of particles packed relatively close together, having an indefinite shape but a definite volume

c: made up of particles that are far apart from each other, having both indefinite shape and indefinite volume

d: made up of positively charged particles and negatively charged electrons, having indefinite shape and indefinite volume