When it’s summer in the Northern Hemisphere, what season is it in the Southern Hemisphere?

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.

most community's take hundreds of years to become stable

d. groundwater flows through the subsoil and deposits minerals.