List the methods of separation used in water purification ( HELP PLEASE )

What phase of matter has particles that are held together but can flow past each other and takes the shape of a container, filling it from the bottom up?

Which position represents spring in the southern hemisphere? a) b) c) d)

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.