Climate refers to weather conditions for a region over a period of time.
Got this from google, scientists count a species population by first knowing the population in a certain area or small geographical sample location then multiply the result by the total area.
A pollitical map focuses on boundaries between entities like countries states of counties they are generally brigther colors to easly distinguish the boundaries a phisical maps focuses on the geography of the area and will often have shaded relief to show the mountains and valleys.
Water because they might have a competition over it
The moon. Gravity between the Earth and the Moon causes water to bulge out.