When you burn yourself after touching something hot you pull your hand quickly how your skeletal muscular circulary endocrine and nervous systems work togther to start healing the burn

Average annual precipitation and are the two major features that define the biomes on earth.

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called