Serbia is bordered by all of the following except:

a.) romania

b.) bulgaria

c.) croatia

d.) greece

Both pictures below were taken at the same time of day, but one picture was taken in summer, and the other in winter. how can you tell which is in winter

What is most likely the effect of unrestricted hunting of gray wolves on the food web of the region

Ascientist makes a map using gis. one layer is an aerial photograph of farmland. other layers show water level changes and how crop cover has changed over time. what might the scientist be studying?