To determine what sort of data table will be most useful or The purpose of an experiment is to test a hypothesis at least that's what i know. I do think "3. This is a statement predicting the direction of a relationship between variables" Is the right ansswer. Sorry if i'm wrong. :c
the three general classifications are sensory neurons, motor neurons and interneurons. I don't know how they work together to produce a response to an environmental stimulus:( sorry
