Creative or spatial learners often find it useful to create outlines using

A. journal entries and annotations.

B. formal sentence outlines.

C. formal topic outlines.

D. graphic organizers.

I think the answer is graphic organizers. The visual-spatial learner can easily see the big picture of things, but might miss out on the details.

Creative or spatial learners often find useful to create outlines using graphic organizers

The reason of this is because by creating an outline a graphic organizer can be useful to see the details properly on what to write for the assignment as much as organize information from different topics in just one piece of sheet.  

b i think it’s a water wheel turning in a stream

colorless gas, exhibiting a blue glow when placed in an electric field

b) solid

its a type of rock