Which of these is an example of a hypothesis? Add different kinds of soil to three potted plants.
Observe fish swimming up a stream.
Temperature changes may be due to wind patterns.
Wonder why some layers of rocks contain fossils

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.