Which can occur in a physical change?

Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.

What are tissues? a groups of tissues that work together b basic units of structure and function c groups of cells that perform the same function d multiple organs that perform a major function

Which group of protists would be most likely to have cilia as adults and why? (1 point)the sporozoan protists would since they have to spread their spores around. the heterotrophic protists would since they use them to gather food. the parasitic protists would since they need to find other organisms to attack. the autotrophic protists would since they must move to find light.